IRIDIZE
Ir"i*dize, v. t. [imp. & p. p. Iridized; p. pr. & vb. n. Iridizing.]
1. To point or tip with iridium, as a gold pen.
2. To make iridescent; as, to iridize glass.
IRIDOLINE
I*rid"o*line, n. Etym: [Iridescent + L. oleum oil.] (Chem.)
Defn: A nitrogenous base C10H9N, extracted from coal-tar naphtha, as an oily liquid. It is a member of the quinoline series, and is probably identical with lepidine.
IRIDOSMINE; IRIDOSMIUM
Ir`i*dos"mine, Ir`i*dos"mi*um, n. Etym: [Iridium + osmium.] (Min.)
Defn: The native compound of iridium and osmium. It is found in flattened metallic grains of extreme hardness, and is often used for pointing gold pens.
IRIS I"ris, n.; pl. E. Irises, L. Irides. Etym: [L. iris, iridis, the goddess, Gr. Orris.]
1. (Class. Myth.)
Defn: The goddess of the rainbow, and swift-footed messenger of the gods. Shak.