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English definition of “topcoat”

topcoat

noun [C or U] uk   /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
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Paints, dyes and pigmentsColour - general wordsCoverings and layers
(Definition of topcoat from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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