density

Definitions

dens (thick, packed) + -ity (state, quality) = 'the state of being dense' turned into a measurable amount: how tightly something is packed. Physics fixed it as mass per volume; everyday English keeps it broad — population density, traffic density.

Common Collocations

• 1.population density人口密度
• 2.high density高密度
• 3.low density低密度
• 4.bone density骨密度
• 5.traffic density车流密度

Example Sentences

• 1.

  The city has one of the highest population densities in the world.

• 2.

  Lead has a much greater density than aluminum.

• 3.

  Planting trees at high density can speed up reforestation.