IPA: /ˈʌndərˌkoʊtɪŋ/
KK: /ˈʌndərˌkoʊtɪŋ/
A layer of paint or material that is applied to a surface before the final coat is added, often used to protect or prepare the surface.
The mechanic applied an undercoating to the car to prevent rust.
To apply a layer of material underneath another layer, often for protection or insulation.
The workers are undercoating the car to prevent rust.
Past: undercoated
Past Participle: undercoated
Undercoating → It is formed from "under" (from Old English "under", meaning beneath or below) and "coating" (from the verb "coat", meaning to cover). The word "undercoating" refers to a layer of material applied beneath the surface of an object, typically for protection or insulation.
Think of something being covered or protected from 'beneath' ('under') — that's what undercoating means.