| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024cam•bi•um /ˈkæmbiəm/USA pronunciation n. [countable], pl. -bi•ums, -bi•a /-biə/.USA pronunciation - Botanya layer of plant tissue between the inner bark and wood:The cambium forms the annual rings in trees.
WordReference Random House Unabridged Dictionary of American English © 2024cam•bi•um (kam′bē əm),USA pronunciation n., pl. -bi•ums, -bi•a (-bē ə).USA pronunciation [Bot.]- Botanya layer of delicate meristematic tissue between the inner bark or phloem and the wood or xylem, which produces new phloem on the outside and new xylem on the inside in stems, roots, etc., originating all secondary growth in plants and forming the annual rings of wood.
- Late Latin: an exchange, barter; akin to Latin cambiāre to exchange
- 1665–75
cam′bi•al, adj. |