stoma

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun a minute epidermal pore in a leaf or stem through which gases and water vapor can pass
  2. noun a mouth or mouthlike opening (especially one created by surgery on the surface of the body to create an opening to an internal organ)

Etymology

From New Latin stoma, from Ancient Greek στόμα (stóma, “mouth”).

In classic literature

Synonyms

stomate, pore

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