Standard Lemma guide

invariance

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • Received-Pronunciation: /ɪnˈvɛə.ɹi.əns/
  • Received-Pronunciation: /ɪnˈvɛː.ɹi.əns/
  • US: /ɪnˈvæɹ.i.əns/ without the Mary–marry–merry merger
  • /ɪnˈvɛɹ.i.əns/ US, Mary–marry–merry merger, Canada
  • Wisconsin Recorded audio is listed in the source snapshot.
  • Australian: /ɪnˈveː.ɹi.əns/
  • New-Zealand: /ənˈveə.ɹi.əns/ without the cheer–chair merger
  • /ənˈviə.ɹi.əns/ New Zealand, cheer–chair merger
  • CMU ARPABET: IH2 N V EH1 R IY0 AH0 N S Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

The property of being invariant.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

the nature of a quantity or property or function that remains unchanged when a given transformation is applied to it

Definition source: Princeton WordNet 3.0

Examples

  • the invariance of the configuration under translation

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: constancy, stability

3

noun

Meaning 3

the quality of being resistant to variation

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: invariability, invariableness

Antonyms: none provided

Broader terms: changelessness, unchangeability, unchangeableness, unchangingness

Narrower terms: unvariedness

History

Etymology

Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Italic *n̥- Latin in-bor. Middle English in- English in- English variance English invariance From in- + variance.