invariant

adjective
UK: /ɪnˈveəriənt/
US: /ɪnˈveriənt/
  1. Not changing or subject to change; constant.

    1. The speed was invariant during the test.
    2. Despite different inputs, the system maintains an invariant output level.
invariant noun
  1. A quantity or property that remains unchanged under a specified transformation.

    1. Area is an invariant of rotation.
    2. In physics, energy is often treated as an invariant in closed systems.

Frequently Asked Questions

The phonetic transcription of "invariant" is /ɪnˈveəriənt/ in British English and /ɪnˈveriənt/ in American English. Click the 🔊 button to hear both pronunciations.

Synonyms for "invariant": constant, fixed, unchanging, stable.

Example usage of "invariant": "The speed was invariant during the test.". More examples on the page.