You searched for: “bathyspheres”
bathysphere (s) (noun), bathyspheres (pl)
A round watertight diving chamber with observation windows: A bathysphere was usually lowered by cables from a ship and it was formerly used to study deep-sea life.
© ALL rights are reserved.
Go to this Word A Day Revisited Index
The bathysphere is also described as a circular tethered metal compartment with an inside diameter of less than three feet in which the deep-sea pioneers cramped themselves for several hours during each immersion.