undercoat

From under- + coat.

• (General American) IPA^(key): /ˈʌndɚˌkoʊt/

• Audio (US):

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• Rhymes: -əʊt

undercoat (plural undercoats)

1. A layer of short hairs underneath the longer ones of an animal's fur.
2. A coat of paint or other material applied onto a surface before that of a topcoat; sometimes, a coloured primer.

   Antonyms: topcoat, overcoat

   Coordinate term: basecoat

   • 2022 November 30, David Staines, “The colourful Class 69s”, in RAIL, page 54:

     The conversion process is carried out by Progress Rail at Longport, from where they are dispatched in undercoat to Eastleigh for final painting.

3. (obsolete) A coat for wearing indoors, under an overcoat.

• (paint or other coating): clearcoat

undercoat (third-person singular simple present undercoats, present participle undercoating, simple past and past participle undercoated)

1. (transitive) To apply an undercoat to.

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