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isohel

[ahy-suh-hel] /ˈaɪ səˌhɛl/
noun, Meteorology
1.
a line on a weather map connecting points that receive equal amounts of sunshine.
Origin
1900-1905
1900-05; iso- + -hel < Greek hḗlios sun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for isohels'

isohel

/ˈaɪsəʊˌhɛl/
noun
1.
a line on a map connecting places with an equal period of sunshine
Word Origin
C20: from iso- + Greek 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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isohels' in Science
isohel
  (ī'sō-hěl')   
A line drawn on a weather map connecting points that receive equal amounts of sunlight.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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10
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