evec·​tion | \ ə̇ˈvekshən, ēˈ- \
plural -s

Definition of evection

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

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Other Words from evection

evectional \ -​shənᵊl , -​shnəl \ adjective

History and Etymology for evection

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

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Cite this Entry

“Evection.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/evection. Accessed 17 Oct. 2021.

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