Stoma Definition

stōmə
stomas, stomata
noun
stomata
A microscopic opening in the epidermis of plants, surrounded by guard cells and serving for gaseous exchange.
Webster's New World
A small aperture in the surface of a membrane.
American Heritage Medicine
A surgically constructed opening, especially one in the abdominal wall that permits the passage of waste after a colostomy or ileostomy.
American Heritage Medicine
A mouth or mouthlike opening; esp., an ingestive opening in lower invertebrates.
Webster's New World
Synonyms:

Other Word Forms of Stoma

Noun

Singular:
stoma
Plural:
stomata, stomas

Origin of Stoma

  • New Latin from Greek mouth

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

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