Invariant

adj, noun

adj, noun ·4 syllables ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    An invariant quantity, function etc.

    "In the present paper this criterion is reformulated in terms of pseudotensorial invariants of the form.."

  2. 2
    a feature (quantity or property or function) that remains unchanged when a particular transformation is applied to it wordnet
  3. 3
    Ellipsis of class invariant. abbreviation, alt-of, ellipsis
Adjective
  1. 1
    Not varying; constant.
  2. 2
    Unaffected by a specified operation, especially by a transformation.

    "The fundamental 2-tensor also leads to a new class of invariant linear differential operators that are canonically associated to these geometries; included is a third equation studied by Gallot et al. We apply the results to study the metrisability equation, in the nullity setting described."

  3. 3
    Neither covariant nor contravariant.
Adjective
  1. 1
    unvarying in nature wordnet
  2. 2
    unaffected by a designated operation or transformation wordnet

Example

More examples

"This is also an invariant of history. Gallic disappeared because Gallic elites were quick to send their children to the Roman school. In the same way, provincial elites later taught their offspring French at the expense of the regional languages. The ruling classes are often the first to adopt the language of the invader. They do the same today with English."

Etymology

From in- + variant.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.