
attraction of the moon to the sun causing change in its orbit
Found on
http://phrontistery.info/e.html

• An inequality of the moon`s 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
Found on
http://thinkexist.com/dictionary/meaning/evection/

1. The act of carrying up or away; exaltation. ... 2. <astronomy> An inequality of the moon's 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 car...
Found on
http://www.encyclo.co.uk/local/20973
E·vec'tion [ Latin
evectio a going up, from
evehere to carry out;
e out +
vehere to carry: confer F
évection .]
1. The act of carrying up or away; exaltation. [ Obsolete]
Bp. Pearson. 2. (Astron.) (a) An inequality of the moon's motion is its orbit...
Found on
http://www.encyclo.co.uk/webster/E/76

a periodic irregularity in the moon's motion, caused by the attraction of the sun.
Found on
https://www.infoplease.com/dictionary/evection
No exact match found.