Isobath definition

īsōbath, īsəbath
A contour line on a map connecting points of equal depth in a body of water or below the earth's surface.
noun
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The definition of an isobath is a contour line on a map that shows all points with a particular depth of water.

An example of isobath is the line on a map that someone would use to view places in the Indian Ocean with the same water depth.

noun
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A line on a chart joining places of equal depth of water; a depth contour.
noun
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Other Word Forms

Noun

Singular:
isobath
Plural:
isobaths