Dictionary.com
definitions
  • synonyms

contour line

See more synonyms for contour line on Thesaurus.com
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).
Show More

Origin of contour line

First recorded in 1835–45
Also called contour, level curve, level line.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for contour line

contour, hachure, isoline

Examples from the Web for contour line

Historical Examples of contour line

  • It follows the 600-feet contour-line and winds 211 therefore exactly round the outline of the hill.

    The Old Road

    Hilaire Belloc

  • It ran straight along the 300-feet contour-line, and took the southern edge of a wood called Brockham Warren.

    The Old Road

    Hilaire Belloc

  • The contour-line of 0, or datum level, is the coastal boundary of any land form.


British Dictionary definitions for contour line

contour line

noun
  1. a line on a map or chart joining points of equal height or depthOften shortened to: contour
Show More
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

contour line in Science

contour line

[kŏntur′]
  1. 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.
Show More
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.