| 释义 |
evec·tion
\ə̇ˈvekshən, ēˈ-\ noun
(-s)
Etymology: Latin evection-, evectio act of going up, from evectus (past participle of evehere to carry out, raise up, from e- + vehere to carry) + -ion-, -io -ion — more at way
1. : perturbation of the moon's motion in its orbit due to the attraction of the sun
2. in certain filamentous algae : displacement of the base of a new branch with respect to its parent cell so as to result in apparent dichotomy
• evec·tion·al \-shənəl, -shnəl\ adjective |