heliacal
英 [hɪ'laɪək(ə)l]
美
- adj. 太阳的；与太阳同时升落的；接近太阳的
英英释意
- 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)"