level line

American  

noun

1. contour line.

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Etymology

Origin of level line

First recorded in 1660–70

Example Sentences

See Examples For:

level line

Thomas said all seats have an indicator: It might be a level line or a level bubble on the carrier itself or on the carrier base.

From Los Angeles Times ● May 27, 2022

Place the top tile edge on the level line and press the tile into place, peeling off the remaining backing as you go.

From Washington Post ● Mar. 14, 2022

North of us was a plain of unbroken snow, extending to a level line on the horizon, where it met the dark violet sky.

From Northern Travel Summer and Winter Pictures of Sweden, Denmark and Lapland by Bayard Taylor

But in a, the curve is a portion of a circle, meeting a level line: in b it is an infinite line, getting less and less steep as it ascends.

From Modern Painters, Volume IV (of V) by John Ruskin

Besides, if Aleck has been afield in this search he’ll be behindhand in his work, and he’s a hand to keep things up to the level line.

From Jessica, the Heiress by Evelyn Raymond