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[ant-hee-lee-uh n, an-thee-] /æntˈhi li ən, ænˈθi-/
noun, plural anthelia
[ant-hee-lee-uh, an-thee-] /æntˈhi li ə, ænˈθi-/ (Show IPA)
a luminous, white spot occasionally appearing at the sun's elevation but in the opposite part of the sky.
Origin of anthelion
1660-70; < Late Greek anthḗlion, neuter of anthḗlios opposite the sun, equivalent to ant- ant- + hḗli(os) the sun + -os adj. suffix Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for anthelion


/æntˈhiːlɪən; ænˈθiː-/
noun (pl) -lia (-lɪə)
a faint halo sometimes seen in polar or high altitude regions around the shadow of an object cast onto a thick cloud bank or fog
a white spot occasionally appearing on the parhelic circle at the same height as and opposite to the sun
Word Origin
C17: from Late Greek, from anthēlios opposite the sun, from ante- + hēlios sun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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anthelion in Science
  (ānt-hē'lē-ən, ān-thē'-)   
Plural anthelia
A bright white or colored spot appearing at times in the sky opposite the Sun. White anthelia are believed to form from light that is reflected off atmospheric ice crystals; colored anthelia are believed to form from light that is refracted by atmospheric ice crystals. Compare parhelion.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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