Tī-tā'ni-ŭm, n.

n. [So called from the Titans; Lat. Titani or Titanes, Gr. Τιτᾶνες, the sons of the earth.] (Chem.) A metal discovered by Gregor, in 1791, in Cornwall, England. It is of a deep-blue color. It occurs in different states of oxidation or intermixture, in various parts of the world.

☞ The ores of this metal are called menachanite, from Menachan, in Cornwall, where it was originally found; iserine, from the River Iser, in Germany; nigrine, from its black color; sphene, rutile, and octahedrite.