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contour interval

noun
1.
the difference in elevation represented by each contour line on a topographic map.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for contour interval
  • The space between the contour lines represents a set distance, called the contour interval.
  • To find the contour interval on a map, check the legend or find two index contours adjacent to each other.
  • The contour interval of the map tells the difference in elevation between two adjacent lines.
  • Systematic errors may not exceed one contour interval, determined by the source map, is the maximum permitted.
  • As the contour interval number increases the terrain is more elevated.
British Dictionary definitions for contour interval

contour interval

noun
1.
the difference in altitude represented by the space between two contour lines on a map
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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Contemporary definitions for contour interval
noun

any of the spaces between vertical lines on a topographic map or globe; the difference in elevation such an interval represents

Examples

Small contour intervals are used for flat areas; larger intervals are used for mountainous terrain.

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