About The Word Heliacal
Learn about the word Heliacal to help solve your crossword puzzle. Discover Heliacal definitions and meaning, origins, synonyms, related terms and more at the free Crossword Dictionary.
Heliacal
| Heliacal Definition And Meaning |
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What's The Definition Of Heliacal?
[adj] pertaining to or near the sun; especially the first rising of a star after and last setting before its invisibility owing to its conjunction with the sun; "the heliacal rising of the Dog Star"; "the heliacal or Sothic year is determined by the heliacal rising of Sothis (the Egyptian name for the Dog Star)"
Synonyms | Synonyms for Heliacal: heliac Related Terms | Find terms related to Heliacal: See Also | Heliacal In Webster's Dictionary \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.
Note: The heliacal rising of a star is when, after being in
conjunction with the sun, and invisible, it emerges
from the light so as to be visible in the morning
before sunrising. On the contrary, the heliacal setting
of a star is when the sun approaches conjunction so
near as to render the star invisible.
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