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Synonyms

contour line

contour line

noun
1.
a line joining points of equal elevation on a surface.
2.
the representation of such a line on a map.
3.
Mathematics. a line parallel to a trace. Compare trace1 (def. 11).
Also called contour, level curve, level line.


Origin:
1835–45
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Contour line is always a great word to know.
So is subtract. Does it mean:
a number that is a submultiple of all the numbers of a given set
to take one number or quantity from another; deduct
Collins
World English Dictionary
contour line
 
n
Often shortened to: contour a line on a map or chart joining points of equal height or depth

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Science Dictionary
contour line   (kŏn'tr')  Pronunciation Key 


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A line on a map joining points of equal elevation above a given level, usually mean sea level. ◇ The change in elevation between one contour line and the next is the contour interval.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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