Metalline /(?)/

Met·al·line

Metalline

a.
  1. Pertaining to, or resembling, a metal; metallic; as, metalline properties. (Chem.) [R.]

Metalline

n.
  1. A substance of variable composition, but resembling a soft, dark-colored metal, used in the bearings of machines for obviating friction, and as a substitute for lubricants. (Chem.)