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.

QUIZZES

TAKE THIS QUIZ TO SEE WHAT YOU KNOW ABOUT HIGH SCHOOL PUNCTUATION!

Commas mark divisions in sentences. Periods end declarative sentences. Apostrophes show possession. Easy, right? Well, punctuation can get pretty tricky—fast. Think you got what it takes to be a punctuation expert? Take our quiz to prove it!
Question 1 of 10
Which of the options below is the best punctuation for the sentence? It__s your turn to pick the movie __ but your sister gets to pick the board game we _ re going to play.

Origin of isobath

First recorded in 1885–90, isobath is from the Greek word isobathḗs of equal depth. See iso-, batho-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012