bathyscaph
- n navigable deep diving vessel for underwater exploration
- Sixty miles southeast of Guam, the Navy's bathyscaphe Trieste (PTI, Sept.
- The Navy's bathyscaph Trieste reached its goal last week: the bottom of the Marianas Trench, which is believed to be the deepest place in all the world's oceans.
- The bathyscaphe will carry enough oxygen to keep two men alive for more than 32 hours, and chemicals to absorb the carbon dioxide given off by their breathing.