brushout

Etymology
Deverbal from.

Noun

 * 1) The application of paint or varnish to a surface to test the properties of the paint or varnish.
 * 2) * 1955, American Society for Testing Materials. Committee D-1 on Paint, Varnish, Lacquer, and Related Products, A.S.T.M. Standards on Paints, Varnish, Lacquer, and Related Products (page 542)
 * Brushouts of the standard paint and the sample paint shall be prepared as described in Paragraph (c)