Ommatidium Definition

ŏmə-tĭdē-əm
ommatidia
noun
Any of the structural elements forming the compound eye of an insect, many crustaceans, etc.: each element is a complete photoreceptor in itself, having a lens, pigment, light-sensitive cells, etc.
Webster's New World

Other Word Forms of Ommatidium

Noun

Singular:
ommatidium
Plural:
ommatidia

Origin of Ommatidium

  • New Latin diminutive of Greek omma ommat- eye okw- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From the stem form of Ancient Greek ὄμμα (omma, “eye") + -idium.

    From Wiktionary

Ommatidium Sentence Examples

  • The lateral eyes of Scorpio consist of groups of separate small lenses each with its ommatidium, but they do not form a continuous compound eye as in Limulus.

  • Each such unit is termed an "ommatidium."

  • The ommatidium (soft structure beneath the lens-unit of a compound eye) is very simple in both Scorpio and Limulus.

  • The cells of tl ommatidium are a good deal larger than the neighbouring common cells of the epidermis.

  • Each such complex of cells underlying the lenticle of a compound eye is called an " ommatidium "; the entire mass of cells underlying a monomeniscous eye is an " ommataeum."

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Words Starting With

OOMOMM

Words Ending With

MUMIUM

Unscrambles

ommatidium

Words Starting With O and Ending With M

Starts With O & Ends With MStarts With OM & Ends With MStarts With O & Ends With UM

Word Length

10 Letter Words10 Letter Words Starting With O10 Letter Words Ending With M