heliacal

1. a. Emerging from the light of the sun, or passing into it; rising or setting at the same, or nearly the same, time as the sun. Source: opted

2. 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 Source: wordnet

3. Emerging from the light of the sun, or passing into it; rising or setting at the same, or nearly the same, time as the sun. Sir T. Browne. Note: The heliacal rising of a star is when, after being in conjunction with the sun, and invisible, it emerges from the light so as to be visible in the morning before sunrising. On the contrary, the heliacal setting of a star is when the sun approaches conjunction so near as to render the star invisible. Source: webster

4. Emerging from the light of the sun, or passing into it; risingor setting at the same, or nearly the same, time as the sun. Sir T.Browne. Source: adambom

5. a. 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 Source: ecdict

Thesaurus links

From the definitions

Explore more