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English definition of “specific gravity”

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specific gravity

noun [U] uk   specialized us  
the mass of a particular volume of a substance when compared with the mass of an equal volume of water at 4°C. A more modern name for this is relative density .
Translations of “specific gravity”
in Chinese (Traditional) 比重,相對密度(現更常用 relative density)…
in Chinese (Simplified) 比重,相对密度(现更常用 relative density)…
(Definition of specific gravity from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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