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English definition of “topcoat”

topcoat

noun [C or U]     /ˈtɒp.kəʊt/ US  /ˈtɑːp.koʊt/
a final layer of paint put onto a surface over another layer, or the type of paint used to do this → Compare undercoatPaints, dyes and pigmentsColour - general wordsCoverings and layers
(Definition of topcoat noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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