undercoat

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undercoat

the fine hairs of an animal's coat which are usually shorter and more numerous than the coarse guard hairs. In some breeds of dogs and cats, however, these may predominate.
References in periodicals archive ?
So much paint is absorbed by the softer, more porous or more absorbent areas of the substrate or undercoat that not enough is left to fill in the low spots and form a smooth film.
DuPont supplies GM in all regions of the world with a variety of products including undercoats, color coats and clear coats.
Varying shades of blue-gray casually cover, or nearly cover, undercoats of gold, intense blue, or paler gray, providing a degree of difference from painting to painting.
Remember that primers and undercoats are different products.
Marching up the southfacing slopes are the ordered ranks of larch and Ponderosa pines, their twig-ends jaunty in new lime-green growth, contrasting nicely with the darker undercoats of previous years.