noun

density

DEHN-sih-tee

noun

A measure of how much mass or matter is packed into a given amount of space.

"Lead has a much higher density than aluminum."

"Scientists measured the density of the newly discovered material."

The amount of people or things per unit of area.

"The city has one of the highest population densities in the country."

How to Use Density

Learner’s notes

In plain EnglishHow tightly packed something is within a given space, whether that's matter, people, or objects.

Common pairings

population density bone density high density

densities plural

Study it as flashcards or scroll it in Flow — saved to your collection.

Can you complete this real example?

Lead has a much higher _____ than aluminum.

From Middle French densité, from Latin densitas, built on dense plus -ity.

city pity deity unity entity equity nudity oddity enmity uppity vanity cavity