Bathysphere
/ˈbæθɪˌsfɪə(ɹ)/ noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A spherical steel deep-diving chamber with perspex windows, in which persons are lowered to the depths by a cable to study the oceans and deep-sea life; the precursor to the bathyscaphe.
- 2 spherical deep diving apparatus (lowered by a cable) for underwater exploration wordnet
Example
More examples"The scientists used a bathysphere to explore the depths of the ocean."
Etymology
From bathy- + -sphere. A genericization from the particular bathysphere in the 1930s named Bathysphere. The name bathysphere was coined decades after the introduction of the device in the 1890s.