isobath

[ ahy-suh-bath ]

noun

1. an imaginary line or one drawn on a map connecting all points of equal depth below the surface of a body of water.
2. a similar line for indicating the depth below the surface of the earth of an aquifer or the top of the water table.

isobath

/ ˈaɪsəʊˌbæθ /

noun

1. a line on a map connecting points of equal underwater depth

Derived Forms

• ˌisoˈbathic, adjective

Word History and Origins

Origin of isobath¹

First recorded in 1885–90, isobath is from the Greek word isobathḗs of equal depth. See iso-, batho-

Word History and Origins

Origin of isobath¹

C19: from Greek isobathēs of equal depth, from iso- + bathos depth