(art) A mixture of linseed oil with turpentine or mastic varnish, used as a thickener for oil paints but later discredited as a source of cracking and yellowing.
phlegm
phlegm
noun
(historical) One of the four humors making up the body in ancient and mediaeval medicine; said to be cold and moist, and often identified with mucus.
(historical, chemistry, alchemy) A watery distillation, especially one obtained from plant matter; an aqueous solution.
Calmness of temperament, composure; also seen negatively, sluggishness, indifference.
Viscid mucus produced by the body, later especially mucus expelled from the bronchial passages by coughing.
