Dī'a-tōm, n.
n. [From Gr. διάτομος, cut in two, from διά, through, and τέμνειν, to cut.] (Nat. Hist.) One of the Diatomaceæ, a family of silicious animalcules now regarded as belonging to the vegetable kingdom.
n. [From Gr. διάτομος, cut in two, from διά, through, and τέμνειν, to cut.] (Nat. Hist.) One of the Diatomaceæ, a family of silicious animalcules now regarded as belonging to the vegetable kingdom.