helio

{ } a. [ Helio- + centric, centrical: cf. F. héliocentrique. ] (Astron.) pertaining to the sun's center, or appearing to be seen from it; having, or relating to, the sun as a center; -- opposed to geocentrical. [ 1913 Webster ]

Heliocentric parallax. See under Parallax. --
Heliocentric place,
latitude,
longitude, etc. (of a heavenly body), the direction, latitude, longitude, etc., of the body as viewed from the sun. [ 1913 Webster ]

n. [ Helio- + Gr. chrw^ma color. ] A photograph in colors. R. Hunt. [ 1913 Webster ]

a. Pertaining to, or produced by, heliochromy. [ 1913 Webster ]

n. The art of producing photographs in color. [ 1913 Webster ]

n. [ Helio- + -gram. ] A message transmitted by a heliograph. [ Webster 1913 Suppl. ]

n. [ Helio- + -graph. ] [ 1913 Webster ]

1. A picture taken by heliography; a photograph. [ 1913 Webster ]

2. An instrument for taking photographs of the sun. [ 1913 Webster ]

3. An apparatus for telegraphing by means of the sun's rays. See Heliotrope, 3. [ 1913 Webster ]

v. t. 1. To telegraph, or signal, with a heliograph. [ Webster 1913 Suppl. ]

2. To photograph by sunlight. [ Webster 1913 Suppl. ]

a. (Astron.) 1. Of or pertaining to a description of the sun. [ Webster 1913 Suppl. ]

☞ Heliographic longitudes and latitudes of spots on the sun's surface are analogous to geographic longitudes and latitudes of places on the earth. [ Webster 1913 Suppl. ]

2. Of or pertaining to heliography or a heliograph; made by heliography. [ 1913 Webster ]

Heliographic chart. See under Chart. [ 1913 Webster ]