Undercoat

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Related to Down hair: Guard hairs

undercoat

[′ən·dər‚kōt]

Undercoat

A coat of paint applied on new wood or over a primer or over a previous coat of paint; improves the seal and serves as a base for the top coat, for which it provides better adhesion.

Undercoat

 

in most mammals, the lower layer of the hairy covering. Made up of soft, fine, twisted hairs, the undercoat fulfills the primary heat-insulating function of the coat. In some animals, for example, Merino sheep, such fine hairs form the entire hairy covering; in others, such as the musk deer, there is practically no undercoat. Aquatic animals and animals adapted to a cold climate have thick undercoats. In wool-bearing animals the underfleece is more valuable than the outer fleece.

undercoat

1. A coat of paint applied on new wood, or over a primer, or over a previous coat of paint; improves the seal and serves as a base for the topcoat, for which it provides better adhesion.
2. Any paint which acts as a base for enamel.
3. Any primer which is colored.
References in periodicals archive ?
They were both white and are described as gaunt looking with slicked down hair.
David McDaniel presents first-time data from pilot studies of men and women using LED photomodulation to stimulate hair growth and slow down hair loss.
Dry, damaged, unmanageable and weighed down hair is a struggle many women face and for most, achieving beautifully smooth hair is a victory that can power their entire day.
Available as a cream or spray, hair inhibitors are formulated with active ingredients to help slow down hair regrowth and, with regular use (two to four times a week), stubble reappearance should feel softer and finer.
Recent studies involving 1,500 men suffering from baldness showed that a daily dose of the drug slowed down hair loss and encouraged re-growth.
Technicians from the laboratories of cosmetic scientist Sunjata Jolly will install the Epil Pro hair removal machine which sends a sound wave down hair follicles causing the follicle to disintegrate.
A cream to slow down hair growth has been developed in the US.
Sarah, from Kemnay, Aberdeenshire, said she was inspired by an article on how worms can break down hair.
Minoxidil lotion from the chemist can slow down hair loss and even produce new growth, but not in every case.
This body moisturiser has been designed to slow down hair regrowth, prolonging that silky smooth feeling so you can remove hair less often.
There is no inexpensive, safe treatment for baldness but you can get minoxidil on the NHS which can slow down hair loss.