Function: noun
Date: 1660
: the ratio of the density of a substance to the density of some substance (as pure water) taken as a standard when both densities are obtained by weighing in air
Function: noun
Date: 1660
: the ratio of the density of a substance to the density of some substance (as pure water) taken as a standard when both densities are obtained by weighing in air
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012