isobathytherm: Meaning and Definition of

i•so•bath•y•therm

Pronunciation: (ī"su-bath'u-thûrm"), [key]
— n.
  1. a line on a chart or diagram of a body of water, connecting depths having the same temperature.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.