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resin

Syllabification: (res·in)

Pronunciation: /ˈrezən/

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Definition of resin

noun

a sticky flammable organic substance, insoluble in water, exuded by some trees and other plants (notably fir and pine). Compare with gum¹ (sense 1 of the noun).
(also synthetic resin) a solid or liquid synthetic organic polymer used as the basis of plastics, adhesives, varnishes, or other products.