అర్థం : Pertaining to or near the sun. Especially the first rising of a star after and last setting before its invisibility owing to its conjunction with the sun.
ఉదాహరణ :
The heliacal rising of the Dog Star.
The heliacal or Sothic year is determined by the heliacal rising of Sothis (the Egyptian name for the Dog Star).
పర్యాయపదాలు : heliacal
Heliac meaning in Telugu.