释义 |
WordReference Random House Unabridged Dictionary of American English © 2024sto•ma (stō′mə),USA pronunciation n., pl. sto•ma•ta (stō′mə tə, stom′ə-,USA pronunciation stō• mä′tə), sto•mas. - Also, stomate. [Bot.]any of various small apertures, esp. one of the minute orifices or slits in the epidermis of leaves, stems, etc., through which gases are exchanged.
- [Zool.]a mouth or ingestive opening, esp. when in the form of a small or simple aperture.
- Surgery[Med.]an artificial opening between two hollow organs or between one hollow organ and the outside of the body, constructed to permit the passage of body fluids or waste products.
- Greek stóma mouth
- Neo-Latin
- 1675–85
sto′mal, adj. |