level line

American  

noun

1. contour line.

---

Etymology

Origin of level line

First recorded in 1660–70

Example Sentences

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

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 Ruskin, John

And on for this they ride; to reach the point where it commences, just as the sun’s lower limb touches, seeming to rest on the level line of the horizon.

From Gaspar the Gaucho A Story of the Gran Chaco by Tilney, F.C.

He points to the level line between earth and sky, in the direction towards which they are travelling.

From Gaspar the Gaucho A Story of the Gran Chaco by Tilney, F.C.