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.
He must mean either the heliacal or achronical rising of that sign.
From Discourses on Satire and on Epic Poetry by Dryden, John
If therefore Ilioneus, according to our supposition, understand the heliacal rising of Orion, Anna must mean the achronical, which the different epithets given to that constellation seem to manifest.
From Discourses on Satire and on Epic Poetry by Dryden, John
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
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 Beacon Lights of History, Volume 03 Ancient Achievements by Lord, John
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)