ester gum

ester gum
/ˈɛstə gʌm/ (say 'estuh gum)

a hard resin obtained by esterifying rosin, or other natural gums, with a polyhydric alcohol (especially glycerol); used in the manufacture of paints and varnishes.

Australian English dictionary. 2014.

См. также в других словарях:

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  • rosin ester — noun : an ester or mixture of esters of the acid components of rosin; especially : ester gum …   Useful english dictionary

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