Dictionary entry

Diatomous

Webster's Dictionary 1913

Di‐at″o‐mous (?), a. [Gr. διάτομοσ cut through, fr. διατέμνειν to cut through; διά through + τέμνειν to cut. Cf. Diatom.] (Min.) Having a single, distinct, diagonal cleavage; — said of crystals. Mohs.