underwaterapparatus
nounUK /ˌʌndəˈwɔːtər ˌæpəˈreɪtəs/
US /ˌʌndərˈwɔːtər ˌæpəˈrætəs/
A machine or tool that people use to work or breathe under the water.
The diver checked his underwater apparatus before jumping into the sea.
RELATED WORDS
OTHER MEANINGS
2. A breathing device worn by a swimmer or diver below the surface.
She strapped on her underwater apparatus and slipped beneath the waves.
3. Machinery designed to explore or operate on the sea floor.
The crew lowered the underwater apparatus to inspect the sunken ship.
4. A set of instruments used by scientists to study deep water.
The research team deployed an underwater apparatus to measure the ocean's temperature.