metalline adjective 2noun 1forms 2 adjective2 •Relating to, or resembling, a metal; metallic.metalline properties •Impregnated with metallic salts; chalybeate. noun1 •(old-fashioned) A substance of variable composition, but resembling a soft, dark-coloured metal, used in the bearings of machines to reduce friction, and as a substitute for lubricants. formsmore metalline · most metalline
