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diglycerol

noun
di·​glycerol
variants: or diglycerin \"+ \

Definition of diglycerol 

: a viscous hygroscopic liquid polyhydroxy ether O(CH2CHOHCH2OH)2 made by dehydration of glycerol and used especially in making rosin esters for varnishes

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History and Etymology for diglycerol

di- + glycerol or glycerin

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