evection

noun

evec·​tion
ə̇ˈvekshən,
ēˈ-
plural -s
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
evectional
-shənᵊl
-shnəl
adjective

Word History

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

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Cite this Entry

“Evection.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/evection. Accessed 6 Feb. 2023.

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