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Evection

1. The act of carrying up or away; exaltation.

2. (Science: astronomy) An inequality of the moons motion is its orbit to the attraction of the sun, by which the equation of the center is diminished at the syzygies, and increased at the quadratures by about 1 deg 20'. The libration of the moon.

Origin: L. Evectio a going up, fr. Evehere to carry out; e out _ vehere to carry: cf. F evection.