par helic


[pahr-hee-lee-uhn, -heel-yuhn]
noun, plural parhelia [pahr-hee-lee-uh, -heel-yuh] . Meteorology.
a bright circular spot on a solar halo; a mock sun: usually one of two or more such spots seen on opposite sides of the sun, and often accompanied by additional luminous arcs and bands.
Also called sundog.
Compare paraselene.

1640–50; alteration of Latin parēlion < Greek parḗlion, noun use of neuter of parḗlios beside the sun. See par-, helio-

parhelic, parheliacal [pahr-hi-lahy-uh-kuhl] , adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
parhelion (pɑːˈhiːlɪən)
n , pl -lia
Compare anthelion mock sun, Also called: sundog one of several bright spots on the parhelic circle or solar halo, caused by the diffraction of light by ice crystals in the atmosphere, esp around sunset
[C17: via Latin from Greek parēlion, from para-1 (beside) + hēlios sun]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin & History

1647, from Gk. parelion "a mock sun," from para- "beside" + helios "sun" (see sol).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
parhelion   (pär-hē'lē-ən)  Pronunciation Key 
Plural parhelia
A white spot appearing at times in the parhelic circle. White parhelia are believed to form from light that is reflected off of atmospheric ice crystals; colored parhelia are believed to form from light that is refracted by atmospheric ice crystals. Multiple parhelia can often be seen simultaneously. Compare anthelion.
The American Heritage® Science Dictionary
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