Noun1.thinning- the act of diluting something; "the cutting of whiskey with water"; "the thinning of paint with turpentine" cutting dilution- weakening (reducing the concentration) by the addition of water or a thinner Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton...
Distempers.-A thinning composition for use with washable distemper or water paint, such as that described in Specification 123,931, consists of borax lb., alum ounce, linseed oil pint, and turpentine pint, with sufficient water to make one gallon. A disinfectant is added, such as two ounces...