Definition of contour line in English:

contour line

Syllabification: con·tour line

noun

  • A line on a map joining points of equal height above or below sea level.
    More 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.

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