Definition of undercoat in English:

undercoat

noun

  • 1A layer of paint applied after the primer and before the topcoat.

    ‘the woodwork was primed and had two undercoats’
    [mass noun] ‘these new paints require no undercoat and are quick to dry’
    • ‘The way Skinner describes his creative process, he sounds like a conscientious painter and decorator sanding a wooden surface to roughen it up a bit before applying an undercoat.’
    • ‘Use a special primer as an undercoat so that the paint will adhere better.’
    • ‘The lift was inoperable, the walls had been left with barely an undercoat on them and there was bare screed on the floors.’
    • ‘An undercoat is preferred so there are no thin or bare spots visible.’
    • ‘The vat had been full of solvent-based rubberised paint used as an undercoat on vans made at the factory.’
    • ‘Using an undercoat by spattering acrylics, I finish off the surface of the sculpture with oil paints with the aid of an airbrush.’
    • ‘Sometimes his pigment catches the canvas threads dryly, leaving the dips of the rough weave coloured only by the undercoat.’
    • ‘A primer-sealer undercoat is necessary to seal drywall and unpainted plaster or wallboard compound.’
    • ‘And soft, sloughing paints are a poor undercoat for anything other than a fresh coat of the same.’
    • ‘These penetrating sealers are often used as an undercoat with surface finishes; but be sure the two finishes are compatible before you begin.’
    • ‘He then turned to large-scale community murals, designing and drawing the outlines and letting local people paint the two undercoats, three coats of gloss paint and finally varnishing.’
    • ‘They also make paints for wood or concrete floors and masonry as well as the requisite undercoat and primer paints.’
    • ‘The walls were painted only in a sickly yellow undercoat, and even that was peeling.’
    • ‘First, they painted the stucco with a primer undercoat, then applied medium blue latex house paint.’
    • ‘Use matt white emulsion paint as an undercoat for the tip.’
    • ‘He said the undercoat was intentionally a bright colour so that the painters could spot any areas they missed with the grey paint, which would be applied within a matter of days.’
    • ‘Upon completion, the resulting piece is sun-baked for several days prior to painting, which commences with the application of a thick white undercoat.’
    • ‘Apply a flat oil-based enamel undercoat to the wall and allow it to dry for 24 hours.’
    • ‘If I paint, is there a special undercoat and paint that I should use?’
    • ‘Before the glaze coat begins to dry, use the sponge to remove some of the glaze to expose the undercoat.’
  • 2An animal's underfur or down.

    • ‘Because their undercoat is not so cottony or profuse as that of some other longhaired breeds, ragdolls do not require as much grooming.’
    • ‘The soft, silky coat of the shorthair bobtail is medium in length without a noticeable undercoat.’
    • ‘The dog weighs about sixty pounds with medium length fur and a thick undercoat and possesses an unusual physiological adaptation for work.’
    • ‘The coat consists of two layers - an undercoat of fine white hair and an outer coat composed of long guard hairs which are hollow and help to make the polar bear more buoyant when swimming.’
    • ‘Twice a year, Siberians ‘blow’ their undercoats, that is, they shed their undercoats completely.’
    • ‘The Chinook has a double coat comprising long guard hairs over a soft, short undercoat.’
    • ‘The soft undercoat will shed out twice a year, but regular combing will keep that under control.’
    • ‘Camel hair is from the extremely soft and fine fur from the undercoat of the camel.’
    • ‘The outer hairs are rough and harsh, with the undercoat being fine, soft and dense.’
    • ‘The crisp guard hairs of the Labrador's coat easily shed burrs and brambles, and the dense undercoat makes the dog practically impervious to water.’
    • ‘For a long hair retriever you should take off the undercoat, thin the hair but leave it long on top to achieve a sleek effect.’
    • ‘The undercoat consists of cotton-like short hair, which forms a thick, close foundation for the outercoat.’
    • ‘Rough-coated dogs develop thick undercoats in winter which must be combed out at the onset of summer's heat.’
    • ‘Some cats have an undercoat that will tangle badly if you don't dry them after a bath.’
    • ‘The standard coat of a Shih Tzu should be luxuriously long and dense with a good wooly undercoat.’
    • ‘Covering this athletic body is a flat, wavy, medium-length outercoat and a soft dense undercoat.’
    • ‘One of the dog's unique characteristics is its lack of an undercoat, which provides insulation from heat and cold.’
    • ‘The Aussie's outercoat is moderately short and weather resistant while the undercoat, which insulates against both heat and cold, is short and dense.’
    • ‘Since the fur is only semi-long and lacks the downy undercoat, the coat doesn't tangle and even show cats require little grooming.’
    • ‘The Border has a naturally hard, wiry outer coat and a dense, short undercoat.’

verb

[WITH OBJECT]
  • Apply an undercoat of paint to.

    ‘she was busy undercoating the bookshelves’
    • ‘Much thought and effort went into the mural, i.e., brushing, scraping and undercoating to the final draft.’
    • ‘The magnetic layer on its 24-inch disc was reputedly formed from the primer paint used to undercoat San Francisco's Golden Gate Bridge.’
    • ‘Jimmy sugar soaped the ceiling and walls in the front room and undercoated the window frame.’
    • ‘I don't think undercoating is going to do much in this situation.’
    • ‘Sand the woodwork down, undercoat it, remove any grease stains and finish it in an oil based sandalwood or gloss.’
    • ‘But other extras, such as undercoating or fabric protection, are unnecessary and only add to your costs.’
    • ‘A second, freshly carved frame lay on another table, undercoated with red, awaiting its next layer.’

Pronunciation:

undercoat

/ˈʌndəkəʊt/