Heliacal — He*li a*cal, a. [Gr. ? belonging to the sun, fr. ? the sun: cf. F. h[ e]liaque.] (Astron.) Emerging from the light of the sun, or passing into it; rising or setting at the same, or nearly the same, time as the sun. Sir T. Browne. [1913 Webster]… … The Collaborative International Dictionary of English
heliacal — pertaining to the sun, c.1600, with AL (Cf. al) (1) and Gk. heliakos of the sun, from helios sun (see SOL (Cf. sol)). The heliacal year is reckoned from the heliacal rising of Sirius; thus it also is known as the canicular year … Etymology dictionary
heliacal — [hi lī′ə kəl] adj. [LL Heliacus, relating to the sun < Gr hēliakos < hēlios, HELIOS + AL] of or near the sun; solar; specif., designating the apparent rising, or setting, of a star or planet just after, or before, conjunction with the sun… … English World dictionary
heliacal — adj. Astron. relating to or near the sun. Phrases and idioms: heliacal rising (or setting) the first rising (or setting) of a star after (or before) a period of invisibility due to conjunction with the sun. Etymology: LL heliacus f. Gk heliakos f … Useful english dictionary
heliacal rising — noun The emergence of a star from the light of the sun • • • Main Entry: ↑heliac … Useful english dictionary
heliacal setting — noun Its disappearance in it • • • Main Entry: ↑heliac … Useful english dictionary
Heliacal rising — The heliacal rising of a star (or other body such as the moon, a planet or a constellation [John Britton s Christopher Walker s chapter Astronomy and Astrology in Mesopotamia in Astronomy before the telescope , 1969, British Museum Press, Pg 48]… … Wikipedia
heliacal — adjective Etymology: Late Latin heliacus, from Greek hēliakos, from hēlios Date: 1545 relating to or near the sun used especially of the last setting of a star before and its first rising after invisibility due to conjunction with the sun •… … New Collegiate Dictionary
heliacal — adjective Of or relating to the sun, especially rising and setting with the sun … Wiktionary
heliacal — adj. of or pertaining to or happening near the sun … English contemporary dictionary