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TAKE THE QUIZanti-sunward
adverb
an·ti-sun·ward
¦an-tī-¦sən-wərd
¦an-tē-
variants
or antisunward
astronomy
: away from the sun : in the direction of the anthelion
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-sunward
adjective
or antisunward
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
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Merriam-Webster unabridged
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