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Word

chamber

noun C1
UK /ˈt͡ʃeɪ̯mbə/
US /ˈt͡ʃeɪ̯mbɚ/

Meanings

noun

an enclosed room, especially one used for a particular purpose or by an official group

chamber: an enclosed room, especially one used for a particular purpose or by an official group
noun

a sealed space inside a machine or device where a process happens under controlled conditions

chamber: a sealed space inside a machine or device where a process happens under controlled conditions
noun

a private bedroom (formal or old-fashioned)

chamber: a private bedroom (formal or old-fashioned)

Definition

A chamber is an enclosed room, especially one used for a specific purpose.

A chamber is a room, often private or reserved for a particular activity. The word is common in formal contexts, such as government buildings, courts, and organizations, where meetings and debates take place in a designated space. In science and engineering, a chamber can also mean a sealed compartment inside a device where a process happens under controlled conditions.

Examples

  • The committee returned to the chamber to finalize the wording after a long recess.
  • I waited outside the chamber until my name was called for the interview.
  • She spoke calmly in the chamber, even as the debate grew more heated around her.
  • They installed a test chamber to measure how the prototype behaved under extreme heat.
  • You could hear a faint echo in the chamber when you closed the heavy door behind you.

Common mistake

Learners sometimes use "chamber" for any small room, but it is most natural for official rooms, sealed compartments in devices, or formal/old-fashioned bedrooms.