Diatom - definition, pronunciation, transcription

Amer.  |ˌtɑːm|  American pronunciation of the word diatom
Brit.  |ˈdʌɪətəm|  British pronunciation of the word diatom

noun

- microscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silica
See also:  WebsterWiktionaryLongman