density
density
(pl. -ies)
(pl. -ies)
- [mass noun]the degree of compactness of a substance
密度
a reduction in bone density.
骨密度降低。
■(Physics)degree of consistency measured by the quantity of mass per unit volume
(物理)密度
■the opacity of a photographic image
（相片形象的）不透性，不透明度，暗度
■the quantity of people or things in a given area or space
（人口或事物的）密度
areas of low population density.
人口密度低的地区。
[count noun]a density of 10,000 per square mile.
每平方英里10,000的人口密度。
■(亦作 packing density)(Computing)a measure of the amount of information on a storage medium
(计算机)信息密度
[as modifier, in combination]a low-density floppy disk.
低密度软盘。
- early 17th cent.: from French densité or Latin densitas, from densus 'dense'
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