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Showing results for heliacal. Search instead for heliaean.
Synonyms

heliacal

American  
[hi-lahy-uh-kuhl] / hɪˈlaɪ ə kəl /
Also heliac

adjective

Astronomy.
  1. pertaining to or occurring near the sun, especially applied to such risings and settings of a star as are most nearly coincident with those of the sun while yet visible.


Other Word Forms

Etymology

Origin of heliacal

1600–10; < Late Latin hēliac ( us ) (< Greek hēliakós; see heli- 1, -ac) + -al 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

In Egypt, another reason was, that then the Nile began to overflow, at the heliacal rising of Sirius.

From Morals and Dogma of the Ancient and Accepted Scottish Rite of Freemasonry by Pike, Albert

At Dedan and Saba it was thirty-six days, from the beginning of the aphanism, i.e., the disappearances of these stars, to the heliacal rising of Aldebaran.

From Morals and Dogma of the Ancient and Accepted Scottish Rite of Freemasonry by Pike, Albert

Either the calendar did not originate in Egypt, or it was introduced in 2780 B.C., when again the heliacal rising Sothis fell on the first of Thoth.

From The Egyptian Conception of Immortality by Reisner, George Andrew

They also possessed lists of the fixed stars, and drew up tables of the times of their heliacal risings.

From The Babylonian Legends of the Creation by Budge, E. A. Wallis (Ernest Alfred Wallis), Sir

Brugsch states that the appearance of the said new moon, which was also associated with the heliacal rising of Sirius, would range from Aug.

From The Fundamental Principles of Old and New World Civilizations by Nuttall, Zelia

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