English

Definition of relative density noun from the Oxford Advanced Learner's Dictionary

 

relative density

 noun
noun
BrE BrE//ˌrelətɪv ˈdensəti//
 
; NAmE NAmE//ˌrelətɪv ˈdensəti//
 
(also specific gravity) [uncountable] (chemistry)
 
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the mass of a substance divided by the mass of the same volume of water or air
See the Oxford Advanced American Dictionary entry: relative density