diatom - WordReference.com Dictionary of English

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- - diarize
  - diarrhoea
  - diary
  - diaspora
  - diaspore
  - diastema
  - diastereoisomer
  - diastole
  - diathermy
  - diathesis
  - diatom
  - diatomaceous earth
  - diatomic
  - diatomite
  - diatonic
  - diatreme
  - diatribe
  - diazepam
  - diazo
  - diazo compound
  - diazonium
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diatom

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Concise Oxford English Dictionary © 2008 Oxford University Press:
diatom /ˈdʌɪətəm/

▶noun Biology a single-celled alga which has a cell wall of silica. [Class Bacillariophyceae.]

– derivatives
diatomaceous adjective.

– origin C19: from mod. L. Diatoma (genus name), from Gk diatomos ‘cut in two’.

'diatom' also found in these Oxford entries:

centric - frustule - pennate

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