heliacal
/hɪˈlaɪəkəl/
relating to or near the sun; rising just before sunrise
heliacal in a sentence
“The heliacal rising of Sirius marked the Egyptian new year.”
Origin of heliacal
Greek heliakos (of the sun), from helios (sun)
Related Words
crepuscular
relating to twilight; dim or resembling twilight
lunar
relating to the moon; influenced by or resembling the moon
solar
relating to or determined by the sun
lunatic
mentally ill; wildly foolish or impractical
solstice
the point at which the sun reaches its highest or lowest point; a turning point
equinoctial
relating to an equinox; having equal day and night