English noun: diatom | |||
1. | diatom (animal) microscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silica | ||
Broader (hypernym) | alga, algae, phytoplankton | ||
Member meronym | Bacillariophyceae, class Bacillariophyceae, class Diatomophyceae, Diatomophyceae | ||