- 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-Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for isobath- a line on a map connecting points of equal underwater depth
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
