- 1[uncountable, countable] the quality of being dense; the degree to which something is dense population density low density forest
- 2[countable, uncountable] (physics) the thickness of a solid, liquid, or gas measured by its mass per unit of volume the density of a gas
- 3[uncountable] (computing) the amount of space available on a disk for recording data a high/double density disk
Check pronunciation: density