τίτανος

A. a white earth, prob. gypsum, Hes. Sc. 141, Luc. Hist.Conscr. 62, Alex. 21: also, chalk, lime, Arist. Mete. 383b8, 389a28; mixed with χάλιξ, Str. 5.4.6; τ. ἐσβεσμένη Aret. CA 2.3; opp. τ. ζῶσα Aët. 1.393; οἴκου τὴν ἐκ τῆς τ. διασῴζοντος ποιότητα (a cause of insanity) Gal. 16.531; τ. ὕδατι βραχεῖσα Id. 18(2).202; λαβὼν τ. θερμὴν φύρασον ὄξει PHolm. 4.9: meaning indeterm. in Poll. 7.124; τ. μέλαινα Hippiatr. 80; tetanos, = galbanus, Gloss.: also, marble-scrapings, Luc. Somn. 6. (Perh. from the Thessalian placename Τίτανος, cf. Τιτάνοιό τε λευκὰ κάρηνα Il. 2.735, not conversely as Sch.Il.l.c.)