heliacal in English

adjective
1
relating to or near the sun.
It is possible that all the planetary orbs originate from an early attempt to record heliacal obscurity.
adjective
    heliac

Use "heliacal" in a sentence

Below are sample sentences containing the word "heliacal" from the English Dictionary. We can refer to these sentence patterns for sentences in case of finding sample sentences with the word "heliacal", or refer to the context using the word "heliacal" in the English Dictionary.

1. Month, sunrise, moonrise, solstice (and possibly Achronical and heliacal rising in reference to the stars)

2. He expresses himself in general phrases , and simply mentions 14 distance from the sun as necessary for the heliacal risings of all lunar stations . '

3. One of the most famous of all ancient scientific observations was that of the heliacal rising of Sirius which warned the ancient Egyptians of the imminent inundation by the Nile.

4. This star was the most important of the stars to the ancient Egyptians, and the heliacal rising of this star came at the time of inundation and the start of the Egyptian New Year.