undercoat

Từ điển Oxford Advanced Learner 8th

under·coat [undercoat undercoats undercoated undercoating] BrE [ˈʌndəkəʊt] NAmE [ˈʌndərkoʊt] noun countable, uncountable
a layer of paint under the final layer; the paint used for making this
•Apply the undercoat first.
compare ↑topcoat

• Từ đồng nghĩa / Synonyms:
  underfur, flat coat, ground, primer, priming, primer coat, priming coat, underseal, prime