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.

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 Williams, Edward Huntington

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

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

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

He must mean either the heliacal or achronical rising of that sign.

From Discourses on Satire and on Epic Poetry by Dryden, John