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 • heliacally adverb

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • 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 — heliacally, adv. /hi luy euh keuhl/, adj. Astron. pertaining to or occurring near the sun, esp. applied to such risings and settings of a star as are most nearly coincident with those of the sun while yet visible. Also, heliac /hee lee ak /.… …   Universalium

  • 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

  • heliacal — [hɪ lʌɪək(ə)l] adjective Astronomy denoting the first rising (or last setting) of a star or planet which occurs at the same time as the rising of the sun. Origin C17: via late L. from Gk hēliakos (from hēlios sun ) + al …   English new terms dictionary

  • heliacal — he·li·a·cal …   English syllables

  • heliacal — he•li•a•cal [[t]hɪˈlaɪ ə kəl[/t]] adj. astron. pertaining to or occurring near the sun, esp. applied to such risings and settings of a star as most nearly coincide with sunrise or sunset • Etymology: 1600–10; < LL hēliac(us) (< Gk hēliakós; …   From formal English to slang

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