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n. pl. sto·ma·ta (-mə-tə) or sto·mas
1. Botany One of the minute pores in the epidermis of a leaf or stem through which gases and water vapor pass. Also called stomate.
2. Anatomy A small aperture in the surface of a membrane.
3. A surgically constructed opening, especially one in the abdominal wall that permits the passage of waste after a colostomy or ileostomy.
4. Zoology A mouthlike opening, such as the oral cavity of a nematode.

[New Latin, from Greek, mouth.]

sto′mal, sto′ma·tal adj.


(ˈstəʊmətəl; ˈstɒm-) or


of, relating to, or possessing stomata or a stoma


(ˈstɒm ə tl, ˈstoʊ mə-)

1. of, pertaining to, or of the nature of a stoma.
2. having stomata.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.stomatal - relating to or of the nature of or having a mouth or mouthlike opening
2.stomatal - relating to or constituting plant stomata; "stomatal openings"