Definition of evection in English:

evection

noun

mass nounAstronomy
  • 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’.

Pronunciation

evection

/ɪˈvɛkʃ(ə)n/