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ommatidium

Pronunciation: /ˌɒməˈtɪdɪəm/
Definition of ommatidium

noun (plural ommatidia /-dɪə/)

Entomology
  • each of the optical units that make up the compound eye of an insect.

Origin:

late 19th century: modern Latin, from Greek ommatidion, diminutive of omma, ommat- 'eye'

ommatidium in other Oxford dictionaries

Definition of ommatidium in the US English dictionary

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