CEFR C1

cassoon

noun

Meaning

A watertight chamber, typically cylindrical, used in underwater construction or salvage operations, allowing workers to enter and exit a dry environment from the water.

Examples

Divers entered the cassoon to begin repairs on the bridge's foundation.
The engineers used a large cassoon to excavate the seabed for the new pier.

Synonyms: diving bell, cofferdam

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cassoon (C1)

noun

Pronunciation: kəˈsuːn

Definition

A watertight chamber, typically cylindrical, used in underwater construction or salvage operations, allowing workers to enter and exit a dry environment from the water.

Examples

Divers entered the cassoon to begin repairs on the bridge's foundation.
The engineers used a large cassoon to excavate the seabed for the new pier.
A specialized cassoon was deployed to rescue the submarine crew.

How to Use cassoon

cassoon for X (prepositional phrase): Indicates the purpose or use of the cassoon. — "This cassoon is designed for deep-sea exploration."
work in a cassoon (collocation): To perform tasks while inside the chamber. — "The construction crew had to work in a cassoon for several days."
enter/exit a cassoon (collocation): To go into or come out of the chamber. — "Divers could safely enter and exit the cassoon."

Synonyms of cassoon

Words with a similar meaning to cassoon:

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