absorbent ground

noun

noun

A ground prepared for a picture, chiefly with distemper or watercolours, by which the oil is absorbed and a brilliancy is imparted to the colours.

Absorbent ground canvas intended for mural purposes should, while being prined, be given a sizing of casein or gelatin on the reverse side.1939, Raphael Doktor, Canvas Adhesives:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.