Definition of contour line in English:

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contour line

Pronunciation: /ˈkänto͝o(ə)r līn/

noun

A line on a map joining points of equal height above or below sea level.
Example sentences
  • However, there is a 940m contour line on the western peak which infers, but does not guarantee, that the land within it is likely to be higher than 940m.
  • The surface topology of the three-dimensional density map is defined by the outermost contour line.
  • The flatness is extreme; there is not a contour line through today's route.

For editors and proofreaders

Syllabification: con·tour line

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