irréductibleadjectiveSyllable DecompositionirréductibleEtymologyexpandfrom 'réductible' with the prefix 'in-' where the 'n' has been replaced by an 'r'Definitions1. Said of a metallic oxide that cannot be reduced to the metallic state.chimieexpand2. Said of dislocations, fractures or hernias that cannot be reduced.chirurgieexpand3. That which cannot be reduced to a simpler form.algèbreexpandÉquation irréductible.4. Irreducible annuity: whose interest rate cannot be lowered.financeexpand5. That which cannot be assimilated or reduced to one another when speaking of things put in relation.expandCe sont deux notions irréductibles l'une à l'autre.6. That which cannot be overcome or bent. Also used substantively in this sense.figurativeexpandToutefois la pacification des villes ne va pas sans réactions parfois violentes et soudaines de fanatiques irréductibles.Il fait partie des derniers irréductibles.PluralirréductiblesSee alsoirréductibles (adj.) irréductibilité (cn.) réductible (adj.) réductibilité (cn.)