ommatidial

om·ma·tid·i·um

[om-uh-tid-ee-uhm]
noun, plural om·ma·tid·i·a [om-uh-tid-ee-uh] . Zoology.
one of the radial elements composing a compound eye.

Origin:
1880–85; < Neo-Latin < Greek ommat- (stem of ómma eye) + Neo-Latin -idium -idium

om·ma·tid·i·al, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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World English Dictionary
ommatidium (ˌɒməˈtɪdɪəm) [Click for IPA pronunciation guide]
 
n , pl -tidia
any of the numerous cone-shaped units that make up the compound eyes of some arthropods
 
[C19: via New Latin from Greek ommatidion, from omma eye]
 
omma'tidial
 
adj

00:10
Ommatidial is always a great word to know.
So is flibbertigibbet. Does it mean:
a chattering or flighty, light-headed person.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
ommatidium (ˌɒməˈtɪdɪəm) [Click for IPA pronunciation guide]
 
n , pl -tidia
any of the numerous cone-shaped units that make up the compound eyes of some arthropods
 
[C19: via New Latin from Greek ommatidion, from omma eye]
 
omma'tidial
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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American Heritage
Science Dictionary
ommatidium   (ŏm'ə-tĭd'ē-əm)  Pronunciation Key 
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
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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