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concentration, sparsity, rarity, thinness


ACT 10 (American College Testing), Components and Elements, Science and Technology



How to pronounce density (audio)


Dictionary definition of density

The measure of how closely packed or concentrated the particles or components of a substance are within a given volume.
"The population density of the city has been steadily increasing over the years."

Detailed meaning of density

It quantifies the amount of mass per unit volume of a material or object. The concept of density is fundamental in understanding the physical properties and behavior of various substances, including liquids, solids, and gases. It is commonly expressed in units such as grams per cubic centimeter or kilograms per liter, depending on the context. The density of a substance can provide valuable insights into its composition, as different materials exhibit distinct density values. For example, metals tend to have higher densities than non-metals. Furthermore, density plays a crucial role in determining the buoyancy of objects in fluids, as substances with lower densities tend to float while those with higher densities sink. Overall, density is an essential parameter in scientific, engineering, and everyday contexts, enabling us to characterize and compare different materials based on their mass and volume relationships.

Example sentences containing density

1. The density of the metal determines how much it will weigh for a given volume.
2. The city's high population density contributes to the heavy traffic during rush hour.
3. The scientist measured the density of the liquid by dividing its mass by its volume.
4. The bone density test showed that she needed to increase her calcium intake to prevent osteoporosis.
5. The urban planner considered the density of the area before recommending the construction of a new park.
6. The textbook had a density of information that made it challenging to read in one sitting.

History and etymology of density

The noun 'density' has its etymology rooted in Latin. It is derived from the Latin word 'densitas,' which is formed from 'densus,' meaning 'dense' or 'thick.' Therefore, the etymology of 'density' conveys the idea of thickness or closeness of particles or components within a given volume. It accurately describes the measure of how closely packed or concentrated the elements of a substance are. The word 'density' has preserved its connection to the concept of compactness and concentration, reflecting its Latin origins where 'densitas' was used to describe the degree of closeness or thickness in a substance or material.

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Further usage examples of density

1. The engineer took into account the density of the air when designing the new airplane.
2. The density of the forest made it difficult to navigate through without a machete.
3. The increasing density of skyscrapers in the city has changed its skyline dramatically.
4. The report shows the density of various materials in a table for easy comparison.
5. The sponge’s low density allows it to float on water.
6. The density of stars in that region of space is why it's referred to as a star cluster.
7. The meteorologist discussed the density of the cloud cover as a factor in the upcoming storm.
8. The density of traffic on the freeway determines the average speed of the vehicles.
9. The physicist explained how the density of an object affects its buoyancy in a fluid.
10. The density of the liquid was greater than that of the gas.
11. Population density varies significantly from city to city.
12. The high-density foam provides excellent cushioning.
13. Density plays a crucial role in material strength.
14. The density of information online can be overwhelming.
15. Density affects the buoyancy of an object in water.
16. Urban planning considers population density.
17. Density is a fundamental concept in physics.
18. The density of the forest gave it an eerie feel.
19. The density of traffic caused long delays.
20. Increasing the density of the solution enhanced its properties.
21. Air density decreases at higher altitudes.
22. Density influences the taste of a given substance.
23. The star's density determines its eventual fate.
24. Scientists measure the density of celestial objects.
25. Soil density affects plant growth.
26. The city's high population density led to congestion.
27. Density fluctuations can impact weather patterns.
28. Density gradients drive fluid flow.
29. The density of the material affected its durability.

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