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ommatidium
[ om-uh-tid-ee-uhm ]
/ ˌɒm əˈtɪd i əm /
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noun, plural om·ma·tid·i·a [om-uh-tid-ee-uh]. /ˌɒm əˈtɪd i ə/. Zoology.
one of the radial elements composing a compound eye.
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Origin of ommatidium
OTHER WORDS FROM ommatidium
om·ma·tid·i·al, adjectiveWords nearby ommatidium
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use ommatidium in a sentence
British Dictionary definitions for ommatidium
ommatidium
/ (ˌɒməˈtɪdɪəm) /
noun plural -tidia (-ˈtɪdɪə)
any of the numerous cone-shaped units that make up the compound eyes of some arthropods
Derived forms of ommatidium
ommatidial, adjectiveWord Origin for ommatidium
C19: via New Latin from Greek ommatidion, from omma eye
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Scientific definitions for ommatidium
ommatidium
[ ŏm′ə-tĭd′ē-əm ]
Plural ommatidia
One of the tiny light-sensitive parts of the compound eye of insects and other arthropods. An ommatidium resembles a single simplified eye. See more at compound eye.
The American Heritage® Science Dictionary
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