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.

In about a month, followed the Stars of the Husbandman; the chief of them, Ras, Mirach, and Arcturus, being very nearly simultaneous in their heliacal rising.

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

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 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

The dies caniculares, or dog-days, were reckoned to begin twenty days before, and to continue for twenty days after, the heliacal rising of Sirius, the dog-star.

From The Astronomy of Milton's 'Paradise Lost' by Orchard, Thomas Nathaniel

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 The Old Roman World, : the Grandeur and Failure of Its Civilization. by Lord, John