Definition of evection in English:

evection

Syllabification: e·vec·tion
Pronunciation: /iˈvekSHən
 
/

noun

Astronomy
Regular variation in the eccentricity of the moon’s orbit around the earth, caused mainly by the sun’s attraction.

Origin

mid 17th century (in the sense 'elevation, exaltation'): from Latin evectio(n-), from evehere 'carry out or up', from e- (variant of ex-) 'out' + vehere 'carry'.

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