Word Study
bathysphere
CIDE DICTIONARY
bathysphere, n.
a spherical deep diving apparatus (lowered by a cable) for underwater exploration; it is constructed with a strong steel shell to withstand high pressures at the ocean bottom. [WordNet 1.5]
OXFORD DICTIONARY
bathysphere, n. a spherical vessel for deep-sea observation.
Etymology
Gk bathus deep + SPHERE
THESAURUS
bathysphere
Aqua-Lung, air cylinder, aquascope, bathyscaphe, benthoscope, diving bell, diving boat, diving chamber, diving goggles, diving helmet, diving hood, diving mask, diving suit, periscope, scuba, snorkel, submarine, swim fins, wet suitFor further exploring for "bathysphere" in Webster Dictionary Online