equant

1 definition found

equant - Collaborative International Dictionary of English v.0.48 :

  Equant \E"quant\, n. [L. aequans, -antis, p. pr. of aequare: cf.
     F. ['e]quant. See Equate.] (Ptolemaic Astron.)
     A circle around whose circumference a planet or the center of
     ann epicycle was conceived to move uniformly; -- called also
     eccentric equator.
     [1913 Webster]