Definition of anti-sunward
- The most prominent optical feature of C/LINEAR was the tail of dust extending antisunward of the predicted position of the nucleus, which is also nearly due east.
- —H. A. Weaver et al., Science, 18 May 2001
anti-sunwardor antisunward adjective
- These forces accelerate the ions rapidly in the anti-sunward direction, producing the narrow tails often seen in comets.
- —Daniel Boice et al., Encyclopedia of the Solar System, 1999