Meaning of “contour line” in the English Dictionary

american-english dictionary

"contour line" in American English

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contour linenoun [ C ]

us /ˈkɑn·tʊər ˌlɑɪn/

earth science a line on a map connecting points that have the same height above the surface of the earth

(Definition of “contour line” from the Cambridge Academic Content Dictionary © Cambridge University Press)