| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024pneu•mat•o•phore (nŏŏ mat′ə fôr′, -fōr′, nyŏŏ-, no̅o̅′mə tə-, nyo̅o̅′-),USA pronunciation n. - Botanya specialized structure developed from the root in certain plants growing in swamps and marshes, serving as a respiratory organ.
- Zoologythe air sac of a siphonophore, serving as a float.
- 1855–60; pneumato- + -phore
Collins Concise English Dictionary © HarperCollins Publishers:: pneumatophore /njuːˈmætəʊˌfɔː/ n - a specialized root of certain swamp plants, such as the mangrove, that branches upwards, rising above ground, and undergoes gaseous exchange with the atmosphere
- a polyp in coelenterates of the order Siphonophora, such as the Portuguese man-of-war, that is specialized as a float
|