Kermes

Part of speech: noun (n.)

1. The dried bodies of the females of a scale insect (Coccus ilicis), allied to the cochineal insect, and found on several species of oak near the Mediterranean. They are round, about the size of a pea, contain coloring matter analogous to carmine, and are used in dyeing. They were anciently thought to be of a vegetable nature, and were used in medicine. [Written also chermes.]

2. A small European evergreen oak (Quercus coccifera) on which the kermes insect (Coccus ilicis) feeds. J. Smith (Dict. Econ. Plants). Kermes mineral. (a) (Old Chem.) An artificial amorphous trisulphide of antimony; -- so called on account of its red color. (b) (Med. Chem.) A compound of the trioxide and trisulphide of antimony, used in medicine. This substance occurs in nature as the mineral kermesite.