specific gravity

短语

[化] 比重 [医] 比重

词形变化

specific gravities 复数 specific gravities

别名

sp. gr. SG

释义与例句

n.
  1. 1.

    Synonym of relative density (“a dimensionless measure which is the ratio of the mass of a substance to that of some reference substance (chiefly an equal volume of water at 4°C)”).

    可数 过时 不可数 物理

词汇关系

名词

上位词 1

relative density