anti-sunward

adverb

an·​ti-sun·​ward ¦an-tī-¦sən-wərd How to pronounce anti-sunward (audio)
¦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

Word History

Etymology

antisun + -ward entry 2

First Known Use

1974, in the meaning defined above

Time Traveler
The first known use of anti-sunward was in 1974

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Dictionary Entries Near anti-sunward

Cite this Entry

“Anti-sunward.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/anti-sunward. Accessed 28 May. 2024.

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