Mastoid Definition

măstoid
noun
The mastoid projection.
Webster's New World
Webster's New World
adjective
Relating to the mastoid process.
American Heritage Medicine
Shaped like a breast or nipple.
Webster's New World
Designating, of, or near a projection of the temporal bone behind the ear.
Webster's New World
Synonyms:
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Other Word Forms of Mastoid

Noun

Singular:
mastoid
Plural:
mastoids

Origin of Mastoid

  • New Latin mastoīdēs nipple-like, mastoid (from its shape) from Greek mastoeidēs mastos breast -oeidēs -oid

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

  • From Ancient Greek μάσταξ (mastax, “jaws, what chews")

    From Wiktionary

  • From Ancient Greek μαστός (mastos, “breast")

    From Wiktionary

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