| Isobathytherm | n. [ Iso- + Gr. &unr_; deep + &unr_; heat. ] (Phys. Geog.) A line connecting the points on the surface of the earth where a certain temperature is found at the same depth. [ 1913 Webster ] |
| Isobathythermic | a. Of or pertaining to an isobathytherm; possessing or indicating the same temperature at the same depth. [ 1913 Webster ] |