ant·he·li·on
| \ (ˈ)ant¦hēlyən, (ˈ)an¦thē-, -lēən \
plural anthelia\
-yə , -ēə
\ or anthelions
Definition of anthelion
: the brightish white halolike spot appearing occasionally on the parhelic circle opposite the sun
— called also antisun, countersun
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“Anthelion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/anthelion. Accessed 19 Aug. 2022.
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Time Traveler for anthelion
The first known use of anthelion was in 1670
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