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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.

See Examples For:

The Muhammadan month begins with the heliacal rising of the moon, and this may have taken place on the 24th or 25th evening.

From A Forgotten Empire (Vijayanagar): a contribution to the history of India by Robert Sewell

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 Albert Pike

We recognize to-day this "heliacal rising" of the stars.

From The Astronomy of the Bible An Elementary Commentary on the Astronomical References of Holy Scripture by E. Walter (Edward Walter) Maunder

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 John Dryden

And the heliacal risings of Jupiter, as also, indeed, those of the other planets, are shown in almanacs for astrological purposes.

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4 "Hero" to "Hindu Chronology" by Various

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