English Antonyms for Science and Technology Vocabulary Words – Online Quiz!

aerodynamic (adjective) /ˌɛːrə(ʊ)dʌɪˈnamɪk/
Definition: Optimized for efficient movement through the air.
Antonyms quiz: Choose the opposite meaning of aerodynamic.
Options: aero; aeronautical; airborne; bulky
Answer: bulky
Example sentence: "The aircraft's wings were carefully shaped to be highly aerodynamic."

aeronautical (adjective) /ˌɛər əˈnɔ tɪ kəl/
Definition: Pertainining to or relating to the study, design, development, or operation of aircraft and other flying objects.
Antonyms quiz: Choose the opposite meaning of aeronautical.
Options: aerial; aerospace; airborne; ground-based
Answer: ground-based
Example sentence: "Aeronautical advancements have transformed air travel."

airborne (adjective) /ˈɛərˌbɔrn/
Definition: In the air or capable of traveling through the air.
Antonyms quiz: Choose the opposite meaning of airborne.
Options: aerial; elevated; floating; grounded
Answer: grounded
Example sentence: "The aircraft gracefully ascended into the airborne realm, leaving the ground behind."

algorithm (noun) /ˈalɡərɪð(ə)m/
Definition: A set of instructions or a step-by-step procedure for solving a problem or achieving a specific task.
Antonyms quiz: Choose the opposite meaning of algorithm.
Options: code; formula; method; randomness
Answer: randomness
Example sentence: "The algorithm suggested personalized recommendations based on user preferences."

apparatus (noun) /ˌæp əˈræt əs/
Definition: A complex set of tools, equipment, or machinery used for a specific purpose or in a particular field of work.
Antonyms quiz: Choose the opposite meaning of apparatus.
Options: appliance; contraption; device; disarray
Answer: disarray
Example sentence: "The circus featured impressive aerial apparatus."

atomize (verb) /ˈæt əˌmaɪz/
Definition: To break down or divide something into its smallest possible components or particles, often to the point of extreme fragmentation.
Antonyms quiz: Choose the opposite meaning of atomize.
Options: crush; disintegrate; fragment; unite
Answer: unite
Example sentence: "The scientist's experiment aims to atomize the liquid into its individual particles."

binary (adjective) /ˈbʌɪn(ə)ri/
Definition: Characterized by the use of two distinct and mutually exclusive options or elements.
Antonyms quiz: Choose the opposite meaning of binary.
Options: binate; bipartite; dichotomous; singular
Answer: singular
Example sentence: "His thinking was binary, black-and-white with no gray areas."

bioethics (noun) /ˌbaɪ oʊˈɛθ ɪks/
Definition: The interdisciplinary field of study that examines ethical issues arising from advances in biology, medicine, and healthcare.
Antonyms quiz: Choose the opposite meaning of bioethics.
Options: bioethical; biolaw; biomedicine; disregard
Answer: disregard
Example sentence: "Ethical debates in bioethics shape healthcare policies and regulations."

biometric (adjective) /ˌbaɪ əˈmɛ trɪk/
Definition: Pertaining to the measurement, analysis, and identification of unique biological characteristics and features of living organisms.
Antonyms quiz: Choose the opposite meaning of biometric.
Options: distinctive; facial; fingerprinted; imprecise
Answer: imprecise
Example sentence: "The biometric scanner recognized her fingerprint and granted her access to the restricted area."

centrifugal (adjective) /ˌsɛntrɪˈfjuːɡl/
Definition: Relating to forces, movements, or processes that move away from a central point or axis.
Antonyms quiz: Choose the opposite meaning of centrifugal.
Options: dispersive; disseminating; dissipative; centripetal
Answer: centripetal
Example sentence: "The artist used centrifugal force in his sculpture, giving it an expanding design."

circuit (noun) /ˈsɜr kɪt/
Definition: A closed path or loop through which electric current flows, typically within an electrical system or device.
Antonyms quiz: Choose the opposite meaning of circuit.
Options: course; cycle; line; straight line
Answer: straight line
Example sentence: "The radio receives signals through an antenna circuit."

combustion (noun) /kəmˈbʌs tʃən/
Definition: A chemical process characterized by the rapid release of energy in the form of heat and light resulting from the reaction between a fuel and an oxidizing agent, typically oxygen.
Antonyms quiz: Choose the opposite meaning of combustion.
Options: burning; conflagration; enflaming; extinguishment
Answer: extinguishment
Example sentence: "The combustion of fossil fuels is a major contributor to greenhouse gas emissions."

cortical (adjective) /ˈkɔrtəkəl/
Definition: Referring to the outer layer of an organ, particularly the brain.
Antonyms quiz: Choose the opposite meaning of cortical.
Options: gray; cerebral; neural; internal
Answer: internal
Example sentence: "The cortical surface of the brain is highly convoluted to increase its surface area."

deduct (verb) /dɪˈdʌkt/
Definition: To subtract or take away a specific amount or value from a total, typically as part of a mathematical calculation or a financial transaction.
Antonyms quiz: Choose the opposite meaning of deduct.
Options: abate; curtail; cut; add
Answer: add
Example sentence: "You can deduct those expenses from the monthly budget."

density (noun) /ˈdɛn sɪ ti/
Definition: The measure of how closely packed or concentrated the particles or components of a substance are within a given volume.
Antonyms quiz: Choose the opposite meaning of density.
Options: abundance; compactness; concentration; sparsity
Answer: sparsity
Example sentence: "The scientist measured the density of the liquid by dividing its mass by its volume."

diameter (noun) /daɪˈæm ɪ tər/
Definition: A straight line segment that passes through the center of a circular shape or object, connecting two points on the circumference and dividing it into two equal halves.
Antonyms quiz: Choose the opposite meaning of diameter.
Options: breadth; dimension; distance; edge
Answer: edge
Example sentence: "The telescope's objective lens had a diameter of 150 millimeters."

dimension (noun) /daɪmenʃən/
Definition: A measurable aspect or parameter that helps define the size, extent, or scope of an object, space, or concept.
Antonyms quiz: Choose the opposite meaning of dimension.
Options: amplitude; breadth; depth; insignificance
Answer: insignificance
Example sentence: "The concept of time adds another dimension to our perception of reality."

dissolve (verb) /dɪˈzɒlv/
Definition: To cause a solid substance to become incorporated into a liquid, resulting in a homogeneous mixture.
Antonyms quiz: Choose the opposite meaning of dissolve.
Options: annul; disintegrate; dissipate; solidify
Answer: solidify
Example sentence: "The conflict between the two countries was resolved and began to dissolve."

dynamo (noun) /ˈdaɪ nəˌmoʊ/
Definition: A machine or device that generates electrical energy through the conversion of mechanical energy.
Antonyms quiz: Choose the opposite meaning of dynamo.
Options: energizer; engine; fireball; consumer
Answer: consumer
Example sentence: "She was known as a creative dynamo, constantly coming up with innovative ideas."

electron (noun) /ɪˈlɛk trɒn/
Definition: A fundamental particle of matter and one of the key building blocks of atoms.
Antonyms quiz: Choose the opposite meaning of electron.
Options: charge; current; energy; proton
Answer: proton
Example sentence: "Electrons are fundamental constituents of matter."

encrypt (verb) /ɪnˈkrɪpt
Definition: To convert information into a code or cipher that is unreadable without the use of a decryption key or algorithm.
Antonyms quiz: Choose the opposite meaning of encrypt.
Options: cipher; cloak; code; decode
Answer: decode
Example sentence: "The software allows you to encrypt your messages with a single click."

enzyme (noun) /ˈɛn zaɪm/
Definition: A type of protein that acts as a biological catalyst, facilitating and speeding up chemical reactions within living organisms.
Antonyms quiz: Choose the opposite meaning of enzyme.
Options: biocatalyst; biocatalytic; biocatalyzer; inhibitor
Answer: inhibitor
Example sentence: "Understanding the three-dimensional structure of an enzyme is crucial to elucidating its function in biological systems."

epigenetics (noun) /ˌɛp ɪ dʒəˈnɛt ɪks/
Definition: The study of heritable changes in gene expression that occur without alterations to the underlying DNA sequence.
Antonyms quiz: Choose the opposite meaning of epigenetics.
Options: acetylation; adjustment; chromatin; genetics
Answer: genetics
Example sentence: "The study of epigenetics has revolutionized our understanding of how nature and nurture interact."

experimental (adjective) /ɪkˌspɛr əˈmɛn tl/
Definition: Involving or relating to the process of conducting experiments or tests to explore new ideas, methods, or approaches.
Antonyms quiz: Choose the opposite meaning of experimental.
Options: exploratory; groundbreaking; innovative; proven
Answer: proven
Example sentence: "The band's new album features a unique and experimental sound."

exponential (adjective) /ˌɛkspə(ʊ)ˈnɛnʃl/
Definition: Describing a rapid and significant increase or growth that occurs at an accelerating rate over time.
Antonyms quiz: Choose the opposite meaning of exponential.
Options: ascending; expanding; explosive; linear
Answer: linear
Example sentence: "The demand for renewable energy is growing exponentially."

favicon (noun) /ˈfævɪˌkɒn/
Definition: The small, typically square-shaped icon that appears in the browser tab or bookmark bar next to a website's name or title.
Antonyms quiz: Choose the opposite meaning of favicon.
Options: badge; brandmark; emblem; password
Answer: password
Example sentence: "The web designer created a visually appealing favicon that perfectly complemented the website's theme."

filament (noun) /ˈfɪl ə mənt/
Definition: A thin and flexible thread-like structure, typically found in various natural or manufactured materials.
Antonyms quiz: Choose the opposite meaning of filament.
Options: cord; fiber; hair; clump
Answer: clump
Example sentence: "A single filament in the circuit was causing the electrical issue."

fluorescent (adjective) /flʊəresənt/
Definition: Emitting visible light when exposed to certain types of radiation or energy, typically ultraviolet light.
Antonyms quiz: Choose the opposite meaning of fluorescent.
Options: brilliant; colorful; gleaming; dull
Answer: dull
Example sentence: "The dancer's costume featured fluorescent accents that illuminated the stage with a mesmerizing glow."

formula (noun) /ˈfɔr myə lə/
Definition: A concise and precise mathematical or scientific expression that represents a relationship or rule.
Antonyms quiz: Choose the opposite meaning of formula.
Options: algorithm; calculation; equation; randomness
Answer: randomness
Example sentence: "The baker followed a secret formula to create the perfect cake."

friction (noun) /ˈfrɪk ʃən/
Definition: The resistance or opposition encountered when two surfaces come into contact and move relative to each other.
Antonyms quiz: Choose the opposite meaning of friction.
Options: abrasion; clash; conflict; harmony
Answer: harmony
Example sentence: "The politician's controversial statement caused friction within his own party."

fulcrum (noun) /ˈfʊlkrəm/
Definition: A point or support on which a lever or other mechanical device pivots.
Antonyms quiz: Choose the opposite meaning of fulcrum.
Options: axis; axle; center; end
Answer: end
Example sentence: "The lever's fulcrum was carefully positioned for maximum efficiency."

fusion (noun) /ˈfyu ʒən/
Definition: The act or process of merging or combining different elements, entities, or substances to form a unified whole.
Antonyms quiz: Choose the opposite meaning of fusion.
Options: alliance; amalgamation; blending; segregation
Answer: segregation
Example sentence: "The dance performance was a fusion of classical ballet and contemporary movements, captivating the audience."

genetic (adjective) /dʒɪnetɪk/
Definition: Relating to genes, which are the hereditary units that carry and transmit the genetic information in living organisms.
Antonyms quiz: Choose the opposite meaning of genetic.
Options: ancestral; biological; chromosomal; acquired
Answer: acquired
Example sentence: "The research team discovered a genetic link between obesity and certain metabolic disorders."

geology (noun) /dʒɪˈɒlədʒi/
Definition: The study of the Earth, including its composition, structure, processes, and history.
Antonyms quiz: Choose the opposite meaning of geology.
Options: geomorphology; geoscience; lithology; biology
Answer: biology
Example sentence: "D."

geophysics (noun) /ˌdʒiːə(ʊ)ˈfɪzɪks/
Definition: A branch of science that studies the physical properties of the Earth and its environment.
Antonyms quiz: Choose the opposite meaning of geophysics.
Options: geochemistry; geochronology; geodesy; biology
Answer: biology
Example sentence: "Geophysicists use various techniques to investigate the structure and behavior of the Earth's crust."

gizmo (noun) /ˈgɪz moʊ/
Definition: A small, often mechanical device or gadget that has a specific function or purpose.
Antonyms quiz: Choose the opposite meaning of gizmo.
Options: apparatus; contraption; device; non-technical
Answer: non-technical
Example sentence: "I'm not sure what this little gizmo does, but it looks intriguing."

globule (noun) /ˈglɒb yul/
Definition: A small, round, or spherical liquid or solid particle that is typically suspended or contained within a larger substance or medium.
Antonyms quiz: Choose the opposite meaning of globule.
Options: ball; bead; blob; mass
Answer: mass
Example sentence: "The microscope revealed the presence of red blood globules in the sample."

hydraulic (adjective) /hʌɪˈdrɒlɪk/
Definition: Powered by the movement of liquids, such as water or oil, under pressure.
Antonyms quiz: Choose the opposite meaning of hydraulic.
Options: aquapneumatic; aqueous; fluidic; electric
Answer: electric
Example sentence: "For quick stops, the car relies on its hydraulic brakes."

impeller (noun) /ɪmˈpɛl ər/
Definition: A rotating component within a machine or device that is responsible for creating fluid flow or generating propulsion.
Antonyms quiz: Choose the opposite meaning of impeller.
Options: agitator; blade; fan; stationary
Answer: stationary
Example sentence: "The aquarium filter's impeller efficiently circulated water, keeping the tank clean and oxygenated."

incandescence (noun) /ˌɪn kənˈdɛs əns/
Definition: The state or quality of emitting light as a result of being heated to a high temperature.
Antonyms quiz: Choose the opposite meaning of incandescence.
Options: blaze; brightness; brilliance; darkness
Answer: darkness
Example sentence: "His face lit up with an incandescence that showed his excitement."

interface (noun) /ˈɪntəfeɪs/
Definition: A point of interaction between two or more entities, typically between a human and a machine, or between two computer systems.
Antonyms quiz: Choose the opposite meaning of interface.
Options: attachment; bond; connection; disconnection
Answer: disconnection
Example sentence: "The sleek interface of the website enhances the user experience."

kelvin (noun) /ˈkɛlvɪn/
Definition: The standard unit of temperature in the International System of Units (SI).
Antonyms quiz: Choose the opposite meaning of kelvin.
Options: degree; gauge; gradation; fahrenheit
Answer: fahrenheit
Example sentence: "Kelvin is often used in scientific and technical fields for precise temperature measurements."

latency (noun) /ˈleɪt n si/
Definition: The measure of delay or the amount of time it takes for a specific action, process, or response to occur.
Antonyms quiz: Choose the opposite meaning of latency.
Options: deferment; delay; gap; immediacy
Answer: immediacy
Example sentence: "The musician adjusted the audio settings to eliminate any latency between their instruments and the computer software."

levitate (verb) /ˈlɛvɪteɪt/
Definition: To rise or hover in the air without the aid of any visible means of support.
Antonyms quiz: Choose the opposite meaning of levitate.
Options: ascend; buoy; drift; sink
Answer: sink
Example sentence: "Scientists are exploring ways to levitate objects for transportation."

lubricate (verb) /ˈluːbrɪkeɪt/
Definition: To add a substance, often oil or grease, to reduce friction and facilitate smooth movement of mechanical parts or surfaces that rub against each other.
Antonyms quiz: Choose the opposite meaning of lubricate.
Options: anoint; coat; grease; stiffen
Answer: stiffen
Example sentence: "He, she, or it lubricates the engine regularly to maintain its performance."

macerate (verb) /ˈmæs əˌreɪt/
Definition: To soak a substance in liquid, causing it to become soft and break down.
Antonyms quiz: Choose the opposite meaning of macerate.
Options: soften; steep; infuse; dehydrate
Answer: dehydrate
Example sentence: "Let the fruits macerate in the wine for a few hours."

magnify (verb) /ˈmæg nəˌfaɪ/
Definition: To enlarge or make something appear larger than its actual size or importance.
Antonyms quiz: Choose the opposite meaning of magnify.
Options: aggrandize; amplify; augment; minimize
Answer: minimize
Example sentence: "The photographer used a lens to magnify the distant mountain."

measure (verb) /ˈmɛʒ ər/
Definition: To determine the size, length, or quantity of something using a standard unit of measurement.
Antonyms quiz: Choose the opposite meaning of measure.
Options: appraise; ascertain; assess; estimate
Answer: estimate
Example sentence: "We must measure our progress to determine if we're on track."

metabolize (verb) /məˈtæb əˌlaɪz/
Definition: To convert substances, such as food, drugs, or other chemicals, into different compounds through various biochemical reactions.
Antonyms quiz: Choose the opposite meaning of metabolize.
Options: absorb; assimilate; convert; reject
Answer: reject
Example sentence: "Bees metabolize nectar to produce honey."

metric (adjective) /ˈmɛ trɪk/
Definition: Relating to a system of measurement or quantification that is based on specific standards or units.
Antonyms quiz: Choose the opposite meaning of metric.
Options: ascertainable; calculable; countable; immeasurable
Answer: immeasurable
Example sentence: "The athlete broke the previous record, achieving a new metric milestone."

metrological (noun) /mɪˈtrɒl ə dʒi/
Definition: The scientific study and application of measurement.
Antonyms quiz: Choose the opposite meaning of metrological.
Options: accuracy; calibration; conformity; nonmeasurable
Answer: nonmeasurable
Example sentence: "A metrological institute promotes precision in measurement."

modulate (verb) /ˈmɒdʒ əˌleɪt/
Definition: To adjust or regulate something, usually a sound or a signal, so that it meets a particular standard or achieves a desired effect.
Antonyms quiz: Choose the opposite meaning of modulate.
Options: adapt; alter; change; disrupt
Answer: disrupt
Example sentence: "He needed to modulate his voice to convey sincerity during the speech."

mutate (verb) /mjuːˈteɪt/
Definition: To undergo genetic change or modification, often resulting in a new or different form or characteristic.
Antonyms quiz: Choose the opposite meaning of mutate.
Options: alter; change; evolve; stagnate
Answer: stagnate
Example sentence: "The bacteria can mutate and develop resistance to antibiotics."

necropsy (noun) /ˈnɛk rɒp si/
Definition: A postmortem examination or autopsy performed on an animal, particularly non-human creatures.
Antonyms quiz: Choose the opposite meaning of necropsy.
Options: analysis; autopsy; dissection; concealment
Answer: concealment
Example sentence: "The necropsy report provided crucial insights into the animal's health condition."

nucleus (noun) /ˈnu kli əs/
Definition: A central and vital component of an atom, residing at its core.
Antonyms quiz: Choose the opposite meaning of nucleus.
Options: base; center; centroid; periphery
Answer: periphery
Example sentence: "The nucleus of an atom is incredibly tiny compared to the overall size of the atom."

odometer (noun) /ə(ʊ)ˈdɒmɪtə/
Definition: A mechanical or electronic device that is used to measure the distance traveled by a vehicle such as a car, truck, or bicycle.
Antonyms quiz: Choose the opposite meaning of odometer.
Options: counter; distance; gauge; speedometer
Answer: speedometer
Example sentence: "The bicycle's odometer displayed their progress on the ride."

orbital (adjective) /ˈɔr bɪ tl/
Definition: Relating to or associated with an orbit, which is the path an object takes around another object in space.
Antonyms quiz: Choose the opposite meaning of orbital.
Options: circular; circumferential; circumscribing; terrestrial
Answer: terrestrial
Example sentence: "The telescope captured stunning images of distant galaxies from its orbital vantage point."

orthogonal (adjective) /ɔːˈθɒɡənl/
Definition: The relationship between two lines or vectors that are perpendicular to each other.
Antonyms quiz: Choose the opposite meaning of orthogonal.
Options: foursquare; level; perpendicular; parallel
Answer: parallel
Example sentence: "An orthogonal approach to problem-solving can yield innovative solutions."

parameter (noun) /pəˈræm ɪ tər/
Definition: A measurable or definable characteristic or factor that sets the boundaries or conditions for a particular situation, system, or problem.
Antonyms quiz: Choose the opposite meaning of parameter.
Options: attribute; boundary; condition; deviation
Answer: deviation
Example sentence: "The algorithm takes various parameters into account to optimize the outcome."

pendulum (noun) /ˈpɛndjʊləm/
Definition: A weight that is suspended from a fixed point so that it can swing freely back and forth under the influence of gravity.
Antonyms quiz: Choose the opposite meaning of pendulum.
Options: balance; metronome; oscillator; fixed
Answer: fixed
Example sentence: "The classroom's pendulum model demonstrated physics principles."

pneumatic (adjective) /nʊˈmæt ɪk/
Definition: Relating to or operated by compressed air, gas, or other similar substances.
Antonyms quiz: Choose the opposite meaning of pneumatic.
Options: aerated; aeriform; aerodynamic; manual
Answer: manual
Example sentence: "The delivery system in the bank relied on pneumatic tubes to transport documents."

pseudoscience (noun) /ˌsu doʊˈsaɪ əns/
Definition: A system of beliefs, theories, or practices that claim to be scientific but lack the rigorous methodology, empirical evidence, and scientific consensus necessary to be considered legitimate within the scientific community.
Antonyms quiz: Choose the opposite meaning of pseudoscience.
Options: charlatanism; deception; delusion; science
Answer: science
Example sentence: "It's crucial to develop critical thinking skills to identify and debunk pseudoscience."

quantitative (adjective) /ˈkwɒn tɪˌteɪ tɪv/
Definition: The measurement, analysis, or representation of data or information in numerical form.
Antonyms quiz: Choose the opposite meaning of quantitative.
Options: calculable; computable; countable; qualitative
Answer: qualitative
Example sentence: "The professor assigned a quantitative research project to assess students' mathematical abilities."

quantum (noun) /ˈkwɒntəm/
Definition: The smallest amount of energy that can be emitted or absorbed in a physical interaction.
Antonyms quiz: Choose the opposite meaning of quantum.
Options: body; coefficient; degree; macroscopic
Answer: macroscopic
Example sentence: "Quantum computing has the potential to solve complex problems."

radiation (noun) /ˌreɪ diˈeɪ ʃən/
Definition: The emission or transmission of energy in the form of waves or particles through space or a material medium.
Antonyms quiz: Choose the opposite meaning of radiation.
Options: beams; discharge; emanation; absorption
Answer: absorption
Example sentence: "The Geiger counter detected high levels of radiation in the contaminated area."

reboot (verb) /riˈbut/
Definition: To restart a computer system or electronic device in order to reload the operating system and all its components.
Antonyms quiz: Choose the opposite meaning of reboot.
Options: reawaken; refresh; regenerate; shutdown
Answer: shutdown
Example sentence: "The technician will reboot the router to fix the internet connection."

serum (noun) /ˈsɪər əm/
Definition: A liquid component of blood or any bodily fluid that separates when the blood or fluid clots.
Antonyms quiz: Choose the opposite meaning of serum.
Options: blend; brew; concoction; whole blood
Answer: whole blood
Example sentence: "The scientist used a pipette to transfer a small amount of serum into the test tube."

simulate (verb) /ˈsɪm yə/
Definition: To imitate or replicate a particular situation, process, or experience in order to understand or explore its characteristics, behavior, or outcomes.
Antonyms quiz: Choose the opposite meaning of simulate.
Options: copy; counterfeit; emulate; differ
Answer: differ
Example sentence: "The engineers created a digital prototype to simulate the performance of a new car design."

simulated (adjective) /ˈsɪmjʊˌleɪtɪd/
Definition: Imitated, replicated, or reproduced in order to resemble or mimic a particular aspect or phenomenon.
Antonyms quiz: Choose the opposite meaning of simulated.
Options: counterfeit; emulated; ersatz; real
Answer: real
Example sentence: "The surgeon practiced intricate procedures on a simulated patient before performing them on real individuals."

simulation (noun) /ˌsɪm yəˈleɪ ʃən/
Definition: The imitation or representation of a real-life situation, system, or process using a model or computer program.
Antonyms quiz: Choose the opposite meaning of simulation.
Options: copy; emulation; facsimile; reality
Answer: reality
Example sentence: "The gamers enjoyed the realistic simulation of driving a race car."

solute (noun) /ˈsɒl yut/
Definition: A substance that is dissolved in a solvent to form a homogeneous mixture called a solution.
Antonyms quiz: Choose the opposite meaning of solute.
Options: additive; chemical; component; solvent
Answer: solvent
Example sentence: "The solute particles dispersed evenly throughout the solvent, creating a uniform mixture."

tessellate (verb) /ˈtɛsəleɪt/
Definition: To cover a surface with a repeated pattern of geometric shapes that fit together perfectly without any gaps or overlaps.
Antonyms quiz: Choose the opposite meaning of tessellate.
Options: arrange; interlock; intersperse; disarrange
Answer: disarrange
Example sentence: "The honeycomb structure is a natural example of hexagons that tessellate."

thermal (adjective) /ˈθɜr məl/
Definition: Relating to heat or temperature.
Antonyms quiz: Choose the opposite meaning of thermal.
Options: balmy; burning; feverish; cold
Answer: cold
Example sentence: "We installed thermal insulation to conserve energy."

thermodynamics (noun) /ˌθɜr moʊ daɪˈnæm ɪks/
Definition: The branch of physics that deals with the relationships between heat, energy, and their transformations within systems.
Antonyms quiz: Choose the opposite meaning of thermodynamics.
Options: calorimetry; energetics; energy; biology
Answer: biology
Example sentence: "Understanding thermodynamics is crucial for optimizing energy conversion processes."

trajectory (noun) /trəˈdʒɛkt(ə)ri/
Definition: The path that an object follows through space as a result of its motion and the forces acting upon it.
Antonyms quiz: Choose the opposite meaning of trajectory.
Options: arc; course; curve; stillness
Answer: stillness
Example sentence: "The trajectory of a comet can be unpredictable."

transhumanism (noun) /trænsˈhyu məˌnɪz əm/
Definition: The advocacy for the use of technology and science to enhance and transcend human capabilities and limitations.
Antonyms quiz: Choose the opposite meaning of transhumanism.
Options: advancement; augmentation; biotechnology; naturalism
Answer: naturalism
Example sentence: "Transhumanism explores the potential of merging humans with technology."

transmute (verb) /trænsˈmyut,/
Definition: To change or transform something from one form, substance, or nature into another.
Antonyms quiz: Choose the opposite meaning of transmute.
Options: alter; change; convert; maintain
Answer: maintain
Example sentence: "Meditation can help transmute negative energy into positive vibrations."

turbine (noun) /ˈtɜr bɪn/
Definition: A mechanical device designed to convert the energy of a fluid, such as steam, gas, or water, into rotational motion.
Antonyms quiz: Choose the opposite meaning of turbine.
Options: blower; compressor; dynamo; stillness
Answer: stillness
Example sentence: "The hydroelectric turbine converted the force of the rushing water into electricity."

vacuum (noun) /ˈvæk yum/
Definition: A space or area devoid of matter, specifically gas, liquid, or solid particles.
Antonyms quiz: Choose the opposite meaning of vacuum.
Options: absence; blank; clean; fullness
Answer: fullness
Example sentence: "She sealed the food in a vacuum-sealed bag to preserve its freshness."

vector (noun) /ˈvɛktə/
Definition: A quantity or physical entity that exhibits both magnitude and direction.
Antonyms quiz: Choose the opposite meaning of vector.
Options: arrow; bearing; course; scalar
Answer: scalar
Example sentence: "The airplane's flight path was determined by vector analysis."

velocity (noun) /vɪˈlɒsɪti/
Definition: The rate at which an object or body moves in a particular direction.
Antonyms quiz: Choose the opposite meaning of velocity.
Options: acceleration; celerity; fleetness; slowness
Answer: slowness
Example sentence: "The velocity of the river's current made it difficult to swim upstream."

vivisection (noun) /ˌvɪv əˈsɛk ʃən/
Definition: The practice of performing surgical procedures or experiments on living animals for scientific or medical research purposes.
Antonyms quiz: Choose the opposite meaning of vivisection.
Options: anatomization; autopsy; butchery; preservation
Answer: preservation
Example sentence: "The scientist defended the necessity of vivisection for advancing medical knowledge."