contour line(redirected from Halleyan lines)
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A line on a map that joins points of equal elevation.
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 or chart joining points of equal height or depth. Often shortened to: contour
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a line representing the locus of points at the same elevation on a topographic surface.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
A line on a map joining points of the same elevation.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A line on a map or chart connecting points of equal elevation.
Dictionary of Military and Associated Terms. US Department of Defense 2005.
A line on a map that connects points of equal height.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
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|Noun||1.||contour line - a line drawn on a map connecting points of equal height|
thalweg - a line following the lowest points of a valley
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