Diatomophyceae n 1: marine and freshwater eukaryotic algae: diatoms [syn: {Bacillariophyceae}, {class Bacillariophyceae}, {Diatomophyceae}, {class Diatomophyceae}]
Diatomophyceae \Diatomophyceae\ n. a class of marine and freshwater eukaryotic algae comprising the diatoms. Syn: Bacillariophyceae, class Bacillariophyceae, class Diatomophyceae. [WordNet 1.5]