ommatidium

[ om-uh-tid-ee-uhm ]

/ ˌɒm əˈtɪd i əm /

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.

Origin of ommatidium

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

OTHER WORDS FROM ommatidium

om·ma·tid·i·al, adjective

Words nearby ommatidium

omissive, omit, Omiya, OMM, ommateum, ommatidium, ommatophore, Ommiad, omn. bih., omn. hor., omni-

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for ommatidium

The ommatidium is from the first segregate and consists of few cells.
Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6|Various
Each of these facets is the external window of an eye element or ommatidium.
Elementary Zoology, Second Edition|Vernon L. Kellogg
The cells of the ommatidium are a good deal larger than the neighbouring common cells of the epidermis.
Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3|Various
Ommatidium -ia: one of the elements of which the compound eye is composed.
Explanation of Terms Used in Entomology|John. B. Smith

The ommatidium (soft structure beneath the lens-unit of a compound eye) is very simple in both Scorpio and Limulus.
Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3|Various

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, adjective

Word 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 Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

单词	ommatidium
释义	ommatidium [ om-uh-tid-ee-uhm ] / ˌɒm əˈtɪd i əm / 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. Origin of ommatidium 1880–85; <New Latin <Greek ommat- (stem of ómma eye) + New Latin -idium-idium OTHER WORDS FROM ommatidium om·ma·tid·i·al, adjective Words nearby ommatidium omissive, omit, Omiya, OMM, ommateum, ommatidium, ommatophore, Ommiad, omn. bih., omn. hor., omni- Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for ommatidium The ommatidium is from the first segregate and consists of few cells. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6\|Various Each of these facets is the external window of an eye element or ommatidium. Elementary Zoology, Second Edition\|Vernon L. Kellogg The cells of the ommatidium are a good deal larger than the neighbouring common cells of the epidermis. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3\|Various Ommatidium -ia: one of the elements of which the compound eye is composed. Explanation of Terms Used in Entomology\|John. B. Smith The ommatidium (soft structure beneath the lens-unit of a compound eye) is very simple in both Scorpio and Limulus. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3\|Various 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, adjective Word 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 Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 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 Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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