Specific Gravity 05 : (sp gr) The weight or mass of a given volume of a substance at a specified temperature, as compared to that of an equal volume of another substance. See also: Density, Gravity
Ralph W. Burklin & Robert G. Purington, Fire Terms: A Guide to Their Meaning and Use, National Protection Association, Boston, MA 1980 USA. (Guide: Meaning and Use, Nat Prot Association Fr Srvc - Amer) {457}