heliacal
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.
It seems to have been considered of great importance in ancient Egypt, as its heliacal rising announced that of Sirius, which heralded the annual rising of the Nile.
From Astronomical Curiosities Facts and Fallacies by Gore, J. Ellard
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
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
Dog-days, the name applied by the ancients to a period of about forty days, the hottest season of the year, at the time of the heliacal rising of Sirius, the dog-star.
From The New Gresham Encyclopedia Volume 4, Part 1: Deposition to Eberswalde by Various
This is what is technically known as the "acronical rising" of the Pleiades, their rising at sunset; in contrast to their "heliacal rising," their rising just before daybreak, which ushered in the spring time.
From The Astronomy of the Bible An Elementary Commentary on the Astronomical References of Holy Scripture by Maunder, E. Walter (Edward Walter)
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.