Diatom(n.) One of the Diatomaceae, a family of minute unicellular Algae having a siliceous covering of great delicacy, each individual multiplying by spontaneous division. By some authors diatoms are called Bacillariae, but this word is not in general use.
Diatom(n.) A particle or atom endowed with the vital principle.
Diatomic(a.) Containing two atoms.
Diatomic(a.) Having two replaceable atoms or radicals.
Diatomous(a.) Having a single, distinct, diagonal cleavage; -- said of crystals.
Words within diatomic