n. a class of marine and freshwater eukaryotic algae comprising the diatoms. Syn. -- Bacillariophyceae, class Bacillariophyceae, class Diatomophyceae. [ WordNet 1.5 ]
The Collaborative International Dictionary of English (GCIDE) v.0.53Collaborative International Dictionary (GCIDE)
n. a class of marine and freshwater eukaryotic algae comprising the diatoms. Syn. -- Bacillariophyceae, class Bacillariophyceae, class Diatomophyceae. [ WordNet 1.5 ]