| 单词 | adventitious |
| 释义 | adventitious —adventitiously, adv. —adventitiousness, n. /ad'veuhn tish"euhs/, adj. 1. associated with something by chance rather than as an integral part; extrinsic. 2. Bot. , Zool. appearing in an abnormal or unusual position or place, as a root. [1595-1605; < L adventicius lit., coming from without, external, equiv. to ad- AD- + ven- (s. of venire to come) + -t(us) ptp. suffix + -icius -ITIOUS] |
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