Diatom — definition
1. diatom (Noun)
1 definition
diatom (Noun) — Microscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silica.
3 types of
alga algae phytoplankton
4 parts of
Bacillariophyceae Diatomophyceae class Bacillariophyceae class Diatomophyceae