OTHER WORDS FROM heliacalhe·li·a·cal·ly, adverb
Words nearby heliacal
How to use heliacal in a sentence
Implying hereby the Heliacal ascent and Cosmical descent of those stars.The Works of Sir Thomas Browne (Volume 2 of 3)|Thomas Browne
This period, measured thus by the heliacal rising of Sothis, is spoken of as the Sothic cycle.A History of Science, Volume 1(of 5)|Henry Smith Williams
The heliacal rising of a constellation is when it comes from under the rays of the sun, and begins to appear before daylight.Discourses on Satire and on Epic Poetry|John Dryden
I do not see how the heliacal rising of Sirius in any one year could help them to determine its length.
They also possessed lists of the fixed stars, and drew up tables of the times of their heliacal risings.The Babylonian Legends of the Creation|British Museum