heliacal
Americanadjective
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.
He must mean either the heliacal or achronical rising of that sign.
From Discourses on Satire and on Epic Poetry by Dryden, John
The heliacal rising of a constellation is when it comes from under the rays of the sun, and begins to appear before daylight.
From Discourses on Satire and on Epic Poetry by Dryden, John
According to an extremely ancient belief it was the goddess Hathor Isis-Sothis who caused the inundation of the Nile which, according to the inscriptions, coincided with the heliacal rising of Sirius.
From The Fundamental Principles of Old and New World Civilizations by Nuttall, Zelia
The first day of the Muhammadan month Jamada' l akhir, corresponding to the heliacal rising of the moon on that occasion, was Saturday, May 19.
From A Forgotten Empire (Vijayanagar): a contribution to the history of India by Sewell, Robert
The Egyptians had, at an early period, observed that the rising of the Nile coincided with the heliacal rising of Sirius, the Dog-star, and hence they very plausibly referred it to celestial agencies.
From History of the Intellectual Development of Europe, Volume I (of 2) Revised Edition by Draper, John William
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.