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diatom
Definitions
[ˈdʌɪətəm], (Noun)
Definitions:
- a single-celled alga which has a cell wall of silica. Many kinds are planktonic, and extensive fossil deposits have been found
Phrases:
Origin
:
mid 19th century: from modern Latin Diatoma (genus name), from Greek diatomos ‘cut in two’, from diatemnein ‘to cut through’
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definition by Oxford Dictionaries