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.
He must mean either the heliacal or achronical rising of that sign.
From Discourses on Satire and on Epic Poetry by Dryden, John
The festivals were marked by the periodical return of certain astronomical phenomena, and those heliacal risings to which any mythological ideas were attached, were noted with great care.
From Astronomical Myths Based on Flammarions's History of the Heavens by Blake, John F.
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
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
This is what is technically known as the "acronical rising" of the Pleiades, their rising at sunset; in contrast to their "heliacal rising," their rising just before daybreak, which ushered in the spring time.
From The Astronomy of the Bible An Elementary Commentary on the Astronomical References of Holy Scripture by Maunder, E. Walter (Edward Walter)