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isobath
isobath (ˈaɪsəʊˌbæθ) n (Physical Geography) a line on a map connecting points of equal underwater depth[C19: from Greek isobathēs of equal depth, from iso- + bathos depth] ˌisoˈbathic adjisobath
isobath[′i·sə‚bath] (oceanography) A contour line connecting points of equal water depths on a chart. Also known as depth contour; depth curve; fathom curve. ThesaurusSeecontour line |