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.
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
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 Sewell, Robert
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
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
Sothic, sō′thik, adj. of or pertaining to the dog-star Sothis or Sirius.—Sothic cycle, or period, a period of 1460 years; Sothic year, the ancient Egyptian fixed year, according to the heliacal rising of Sirius.
From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various