"Raw linen" refers to linen fabric that has not been processed or treated. It is a rough and unrefined material made from the fibers of the flax plant. Full definition
Other times an image will be completely isolated within a much larger field of raw linen on the surface of the painting. (minusspace.com)
The biggest advantage of the new raw linen bags is that they can be completely immersed in water, making them machine washable and dishwasher safe. (avasappletree.ca)
From that point on, he regularly incorporated canvas and raw linen collage elements into his work. (michaelrosenfeldart.com)