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.
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
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 Somerville, Mary
The heliacal rising of Canopus was also a precursor of the rising of the Nile.
From Morals and Dogma of the Ancient and Accepted Scottish Rite of Freemasonry by Pike, Albert
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 Sothiac period, or that cycle in which the heliacal rising of Sirius passed the whole civil year, and took place again on the same day, was of 1461 years, not 14,601.
From Personal Recollections, from Early Life to Old Age, of Mary Somerville by Somerville, Mary