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sto·ma
 stoma
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- pronunciation:
- sto
m
- features:
- Word Combinations (noun)
| part of speech: |
noun |
| inflections: |
stomas, stomata |
| definition 1: |
any of various microscopic openings in the epidermis of a leaf or stem through which gases and water vapor are exchanged.
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| definition 2: |
a mouthlike opening, esp. an ingestive opening, as on certain worms.
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| related words: |
orifice |
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