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heliac

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Heliac \He"li*ac\, a.
   Heliacal.

资料来源 : WordNet®

heliac
     adj : 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)" [syn: {heliacal}]
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