A layer of the oceanic zone lying below the mesopelagic zone and above the abyssopelagic zone, at depths generally between about 1,000 and 4,000 m (3,280-13,120 ft). The bathypelagic zone receives no sunlight and water pressure is considerable. The abundance and diversity of marine life decreases with depth through this and the lower zones.
a navigable, submersible vessel for exploring the depths of the ocean, having a separate, overhead chamber filled with gasoline for buoyancy and iron or steel weights for ballast. Historical Examples They’re sending the bathyscaphe down unmanned, to test all apparatus before a manned dive. Creatures of the Abyss Murray Leinster I’m talking about the bathyscaphe […]
a navigable, submersible vessel for exploring the depths of the ocean, having a separate, overhead chamber filled with gasoline for buoyancy and iron or steel weights for ballast. noun a submersible vessel having a flotation compartment with an observation capsule underneath, capable of reaching ocean depths of over 10 000 metres (about 5000 fathoms) n. […]
a spherical diving apparatus from which to study deep-sea life, lowered into the ocean depths by a cable. Historical Examples It was not the grapple hooks from his ship, but chains—chains which the man-armed sharks were wrapping around the bathysphere. Astounding Stories, August, 1931 Various It was pried up, and slid off the top of […]
a record made by a bathythermograph.