A kind of crystallite resembling a bunch of hairs, common in obsidian. See Illust. of Crystallite. A delicate, hairlike siliceous spicule, found in certain sponges.
Vogais: iie
Consoantes: trcht
trochite, trachyte, tractite, tricot, triste, tetricity, tracheate, trisected, trichechidae, tergite.