A vessel filled with a superheated transparent liquid (most often liquid hydrogen) used to detect electrically charged particles moving through it.

A vessel containing air at an elevated pressure, especially one used to administer oxygen to a patient

A musical ensemble of modest size, to play chamber music; can be more specifically named after its number (from duo to nonet) and/or type(s) (e.g. wood, brass, strings) of instruments.

(idiomatic) A forbidden room.

(historical, cryptography, informal) A government or royal court's cryptanalyst department.

(derogatory) a legal or administrative body with strict, arbitrary rulings and secretive proceedings

plural of chamber ensemble

(anatomy, ophthalmology) A space inside the eye between the cornea and the iris, filled with aqueous humour.

(anatomy, ophthalmology) A narrow space inside the eye between the iris and the lens, filled with aqueous humour.

The room in which capital punishment is carried out.