WordNet: diatom

microscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silica

• hypernym phytoplankton

• hypernym alga, algae

• member holonym Bacillariophyceae, Diatomophyceae, class Bacillariophyceae, class Diatomophyceae

diatom

• (suomi) piilevä (synonyymi)