heliacal   (TTS Sound)

The heliacal has 1 Senses.

• heliacal, heliac
• 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; "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)"
• 太陽に関連する、または、それの近くで