- 人口密度 rénkǒumìdù population densityThe average number of people living in a specific area
- 精密度 jīngmìdù precisionthe degree of accuracy or fine detail that an instrument or thought process can achieve
- 密度计 mìdùjì densimeteran instrument used for measuring the density of liquids or solids; density gauge
- 密度波 mìdùbō density wave
- 通信密度 tōngxìnmìdù communications densitydensity of traffic or signal flow within a communications system or network
- 中密度纤维板 zhōngmìdùxiānwéibǎn medium-density fiberboardmedium-density fiberboard; a wood product often referred to as MDF
- 高密度 gāomìdù high-densityhigh density; referring to a large amount of content within a unit of area or volume
- 相对密度 xiāngduìmìdù relative densityrelative density; the ratio of the density of a substance to the density of a standard reference material
- 精子密度 jīngzǐmìdù sperm countsperm concentration; often referred to as sperm count
- 线密度 xiànmìdù linear densityThe ratio of mass to length for a linear object like yarn, wire, or fiber, usually measured in kilograms per meter.
- 经纬密度 jīngwěimìdù thread count(textiles) the number of warp and weft threads per unit area in a fabric
