cloud chamber

A particle detector used for detecting ionizing radiation. In its most basic form, it is a sealed environment containing a supersaturated vapor of water or alcohol, in which a mist can be seen where a charged particle interacts with the mixture and it ionizes it.

A room equipped for carrying out torture.

(UK, law, historical) In London, the apparel and furniture of the bedchamber of the widow of a freeman, to which she was formerly entitled.

A gas chamber.

(transitive) To execute (someone) by means of lethal chamber.

simple past tense and past participle of lethal chamber

plural of chamber lamp

An oil lamp designed for indoor use. / An indicator light associated with a chamber.

(Canada, politics, informal, sometimes capitalized) The assembly hall in which the Senate of Canada convenes; (metonymically) the Senate of Canada itself.