Hē'li-o-çen'trie or Hē'li-o-çen'trie-al, a.

a. [Fr. héliocentrique; Gr. ἥλιος, the sun, and κέντρον, center.] (Astron.) Pertaining to the sun's center, or appearing to be seen from it.

Heliocentric parallax, the arc of a great circle included between the heliocentric and the geocentric places of a body. — Heliocentric place, the latitude, longitude, &c., of a heavenly body.