Look up: equant

1. Equant
   E'quant noun [ Latin aequans , -antis , present participle of aequare : confer French équant . See Equate .] (Ptolemaic Astron.) A circle around whose circumference a planet or the center of ann epicycle was c...
   Found on http://www.encyclo.co.uk/webster/E/59
   
   
2. Equant
   • (n.) A circle around whose circumference a planet or the center of ann epicycle was conceived to move uniformly; -- called also eccentric equator.
   Found on http://thinkexist.com/dictionary/meaning
   
   
3. equant
   (from the article `Ptolemaic system`) ...when at perigee. Ptolemy enhanced the effect of eccentricity by making the epicycle`s centre sweep out equal angles along the deferent in equal ... ...three mechanisms: uniformly revolving, off-centre circles called eccentrics; epicycles, little circles whose centres moved uniformly on the ... ...
   Found on http://www.britannica.com/eb/a-z/e/38
   
   
4. Equant
   `Equant` (or `punctum aequans`) is a mathematical concept developed by Claudius Ptolemy in the 2nd century AD to account for the observed motion of heavenly bodies. The `equant point`, indicated in the diagram by the large â€¢ , is placed so that it is directly opposite the Ear...
   Found on http://en.wikipedia.org/wiki/Equant