irreversible

== English == === Etymology === From ir- +‎ reversible. === Pronunciation === (UK) IPA(key): /ˌɪr.ɪˈvɜː.sə.bəl/ (US) IPA(key): /ˌɪr.ɪˈvɝ.sə.bəl/ === Adjective === irreversible (not comparable) Incapable of being reversed or turned about or back; incapable of being made to run backwards. Incapable of being reversed, recalled, repealed, or annulled. (thermodynamics) Incapable of being reversed to the original state without consumption of free energy and increase of entropy. ==== Derived terms ==== ==== Related terms ==== irreversibility ==== Translations ==== == Catalan == === Etymology === From ir- +‎ reversible. === Pronunciation === IPA(key): (Central) [i.rə.βərˈsib.blə] IPA(key): (Balearic) [i.rə.vərˈsib.blə] IPA(key): (Valencia) [i.re.veɾˈsi.ble] === Adjective === irreversible m or f (masculine and feminine plural irreversibles) irreversible ==== Further reading ==== “irreversible”, in Diccionari de la llengua catalana [Dictionary of the Catalan Language] (in Catalan), second edition, Institute of Catalan Studies [Catalan: Institut d'Estudis Catalans], April 2007 == Norwegian Bokmål == === Adjective === irreversible definite singular/plural of irreversibel == Norwegian Nynorsk == === Adjective === irreversible definite singular/plural of irreversibel == Spanish == === Etymology === From ir- +‎ reversible. === Pronunciation === IPA(key): /irebeɾˈsible/ [i.re.β̞eɾˈsi.β̞le] Rhymes: -ible Syllabification: i‧rre‧ver‧si‧ble === Adjective === irreversible m or f (masculine and feminine plural irreversibles) irreversible (not able to be reversed) Antonym: reversible ==== Derived terms ==== ==== Further reading ==== “irreversible”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025