BabelNet

bn:00026901n

Noun Concept

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diatom Diatomea Bacillariophyceae Bacillariophyta Bacilleriaceae

Microscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silica WordNet 3.0

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Microscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silica WordNet 3.0 & Open English WordNet

A diatom is any member of a large group comprising several genera of algae, specifically microalgae, found in the oceans, waterways and soils of the world. Wikipedia

Unicellular algae, some of which are colonial, green or brownish in colour (but all contain chlorophyll) and with siliceous and often highly sculptured cell walls. OmegaWiki

Any of a group of minute unicellular algae having a siliceous covering of great delicacy, now categorized as class Diatomophyceae or division Bacillariophyta. Wiktionary

Grouping of minute algae. Wiktionary (translation)

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Thalassiosira pseudonana

Chaetoceros

Attheya