bathysphere

About 0.02 uses per million words.

Meaning

1. noun 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.

Similar words

bathyscape bathyscaphe bathyscaph bathyscope mesoscaphe bathyseism aquascope bathysaurid bathyphile mesoscaph

Often followed by

was and to in had is of dives

Word family

bathyspheres