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English definition of “resin”

resin

noun [U] uk   /ˈrez.ɪn/ us  
a thick, sticky substance that is produced by some trees and that becomes yellow and hard after it is collected, or any of various similar substances produced by a chemical process for use in industry: pine resinPlant biochemistry
resinous
adjective uk   /-ɪ.nəs/ us  
Plant biochemistry
(Definition of resin from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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