undercoatnoun [ C or U ]
uk/ˈʌn.də.kəʊt/us/ˈʌn.dɚ.koʊt/a first layer of paint that is put on a surface in order to improve the appearance of the final one, or the paint used for this:
Those red walls will probably need two undercoats.
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topcoat
Thesaurus: synonyms and related words
Paints, dyes & pigments
- colourway
- distemper
- dye
- emulsion
- flaxseed oil
- glossy
- Indian ink
- ink
- inky
- pigment
- poster paint
- primer
- propanone
- rinse
- satin
- tint
- toner
- warpaint
- white spirit
- whitewash
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Coverings and layers