undercoat
/ˈʌndəkəʊt/ (bre, ipa) · [ˈʌndɚkˌot] /ˈʌndərkəʊt/ (ame, ipa) · [ˈʌndɚkˌot] /ˈən-dər-ˌkōt How to pronounce undercoat (audio)/ (ame, mw)
undercoat — noun
- undercoatsingular
- undercoatsplural
1. paint put on before the finishing colour, so the surface seals properly and the
paint put on before the finishing colour, so the surface seals properly and the outer coat goes on more evenly.
Christopher brushed on an undercoat before painting the nursery bright yellow.
brush on an undercoat before top paint
Yael let the undercoat dry overnight before adding the final blue coat.
let the undercoat dry before final coat
The old window looked smoother after Tariq sanded the undercoat lightly.
At the workshop, Sora chose a stain-blocking undercoat for the kitchen walls.
- topcoat
the final visible coat put on after the base layer
文法句型
apply/brush on + an undercoat
let + the undercoat + dry
sand + the undercoat + lightly
用法筆記
Usually refers to the preparatory paint layer used before the visible top coat. It often appears with verbs like apply, dry, and sand.
2. the fine, soft hair under an animal's rougher outer fur, especially the layer th
the fine, soft hair under an animal's rougher outer fur, especially the layer that helps keep the animal warm.
In winter, Niran's sheepdog grows a thick undercoat beneath its longer fur.
grow a thick undercoat in winter
When spring arrived, Mauricio brushed loose undercoat from the rabbit every evening.
brush loose undercoat from an animal
The vet said Greta's cat had no undercoat on the scarred patch.
After the hike, Imani found burrs caught deep in the horse's undercoat.
- inner coat
neutral descriptive term for the layer below the outer fur
- downy fur
stresses the soft, fluffy quality of the hair
- guard hair
the longer, coarser hair that lies above the soft layer
- outer coat
the visible top fur rather than the inner insulating layer
文法句型
a thick/dense + undercoat
brush + undercoat + from + animal
grow/shed + an undercoat
用法筆記
Often used when talking about grooming or seasonal shedding in thick-coated animals. It names the soft layer below the guard hairs, not the longer outer coat.
3. a rust-resistant covering sprayed onto the bottom of a vehicle to protect it fro
a rust-resistant covering sprayed onto the bottom of a vehicle to protect it from moisture, salt, and road damage.
The mechanic sprayed fresh undercoat beneath Faisal's van before the rainy season.
spray fresh undercoat beneath a vehicle
Road salt had cracked the undercoat on Piotr's truck near the rear wheel.
crack the undercoat on a truck
Before selling the jeep, Nellie paid to replace the peeling undercoat.
At the garage, Elise checked whether the undercoat still covered the floor pan.
- underbody sealant
more technical term in car maintenance contexts
- rustproof coating
stresses the protective purpose more than the position
- bare metal
vehicle underside left without a protective layer
文法句型
spray/apply + undercoat + to + vehicle underside
replace + damaged/peeling + undercoat
crack + the undercoat + on + vehicle
用法筆記
Mostly used in vehicle repair or maintenance contexts. It refers to the protective layer on the underside of a car, van, or truck, not to ordinary house paint.