Adjective Definition

heliac

1.Definition: 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)"

Related Adjective(s):heliacal




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