heliacal

英 [hɪ'laɪəkəl] 美 [hɪ'laɪəkəl]

• adj. 太阳的；和太阳同时或几乎同时出没的

英英释义

Adjective:

1. 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)"
   

近反义词

【近义词】

• heliac 与太阳同时出没的...