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Definition of stoma noun from the Oxford Advanced Learner's Dictionary

stoma

noun
 
/ˈstəʊmə/
 
/ˈstəʊmə/
(plural stomas, stomata
 
/ˈstəʊmətə/
 
/ˈstəʊmətə/
)
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  1. (biology) a tiny pore (= hole) in the outer layer of a plant’s leaf or stem
  2. (biology) a small opening like a mouth, in some animals
  3. (medical) an artificial opening made in an organ of the body, especially in the colon or trachea
    4. Word Originlate 17th cent.: modern Latin, from Greek stoma ‘mouth’.
See stoma in the Oxford Advanced American Dictionary
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Nearby words

trait
noun
 
 
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