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 more precise fixing of new year's day was accomplished through observation of the time of the so-called heliacal rising of the dog-star, Sirius, which bore the Egyptian name Sothis.

From A History of Science — Volume 1 by Williams, Edward Huntington

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

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

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

The Egyptians had, at an early period, observed that the rising of the Nile coincided with the heliacal rising of Sirius, the Dog-star, and hence they very plausibly referred it to celestial agencies.

From History of the Intellectual Development of Europe, Volume I (of 2) Revised Edition by Draper, John William

At Dedan and Saba it was thirty-six days, from the beginning of the aphanism, i.e., the disappearances of these stars, to the heliacal rising of Aldebaran.

From Morals and Dogma of the Ancient and Accepted Scottish Rite of Freemasonry by Pike, Albert