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.
Either the calendar did not originate in Egypt, or it was introduced in 2780 B.C., when again the heliacal rising Sothis fell on the first of Thoth.
From The Egyptian Conception of Immortality by George Andrew Reisner
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 period, measured thus by the heliacal rising of Sothis, is spoken of as the Sothic cycle.
From A History of Science — Volume 1 by Edward Huntington Williams
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 John Dryden
I do not see how the heliacal rising of Sirius in any one year could help them to determine its length.
From Personal Recollections, from Early Life to Old Age, of Mary Somerville by Mary Somerville
