Also found in: Thesaurus, Encyclopedia, Wikipedia.
A line drawn on a map connecting points that receive equal amounts of sunlight.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Physical Geography) a line on a map connecting places with an equal period of sunshine
[C20: from iso- + Greek hēlios sun]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a line on a weather map connecting points that receive equal amounts of sunshine.
[1900–05 <iso- + Greek hḗlios sun]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Switch to new thesaurus
|Noun||1.||isohel - an isogram connecting points receiving equal amounts of sunshine|
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.