isobath

[ ahy-suh-bath ]
/ ˈaɪ səˌbæθ /

noun

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

Origin of isobath

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

Words nearby isobath

isoantibody, isoantigen, isobar, isobaric, isobaric spin, isobath, isobathic, isobathytherm, isobilateral, isobront, isobutane

British Dictionary definitions for isobath

isobath
/ (ˈaɪsəʊˌbæθ) /

noun

a line on a map connecting points of equal underwater depth

Derived forms of isobath

isobathic, adjective

Word Origin for isobath

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