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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.

The heliacal rising of Orion is at present computed to be about the 6th of July; and about that time it is that he either causes or presages tempests on the seas.

From Discourses on Satire and on Epic Poetry by Dryden, John

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

The heliacal rising of Canopus was also a precursor of the rising of the Nile.

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

On the ceiling of the Memnonium at Thebes the heliacal rising of Sirius is represented under the form and name of Isis.

From Astronomical Curiosities Facts and Fallacies by Gore, J. Ellard

They approximated to the truth in reference to the solar year, by observing the equinoxes and solstices, and the heliacal rising of particular stars.

From The Old Roman World, : the Grandeur and Failure of Its Civilization. by Lord, John

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