parhelic

parhelion

[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.


Origin:
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
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To parhelic
Collins
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]
 
parhelic
 
adj
 
parheliacal
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Etymonline
Word Origin & History

parhelion
1647, from Gk. parelion "a mock sun," from para- "beside" + helios "sun" (see sol).
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
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
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Related Words
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature