invariant
French, noun/ɛ̃.va.ʁjɑ̃/
invariant is spelled I-N-V-A-R-I-A-N-T (9 letters) and appears about once in every 3 million words in written French, the 57,843rd most frequent French word form (wordfreq, 2021 data). Invariant is a French masculine noun meaning “invariable” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “Chose qui ne varie pas”.
What does invariant mean in English?
adjective
- 1
invariable
noun
- 1
masculineinvariable
Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).
How French dictionaries define it
adjective: 1. Qui ne varie pas.
noun: 1. Chose qui ne varie pas. 2. Toute fonction des coefficients d’une forme telle que, si on effectue dans la forme une substitution linéaire, la fonction de même espèce des coefficients de la transformée soit égale à la fonction primitive multipliée par une puissance du module de la transformation.
The definition in the French Wiktionary (Wiktionnaire), in French.
Source: French Wiktionary (Wiktionnaire), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of invariant
- invariante feminine
- invariants masculine plural
- invariantes feminine plural
Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce invariant?
- /ɛ̃.va.ʁjɑ̃/
- \ɛ̃.va.ʁjɑ̃\
Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
English words that translate to invariant
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is invariant in French?
invariant appears about once in every 3 million words in written French.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).