- isobathA line on a map or chart joining places of equal depth of water; a depth contour.
- barysiliteA trigonal-hexagonal scalenohedral mineral containing lead, manganese, oxygen, and silicon.
- bathukolpicDeep-bosomed.
- bathy-deep, especially deep sea
- isothermobathA line drawn through points of equal temperature in a vertical section of the ocean.
- topobathyunderwater topography; bathymetry.