ISO

== English == === Etymology 1 === Officially from Greek ίσος (ísos, “equal”). However, a participant in the initial meetings disputes this etymology, claiming that the link to ίσος was decided on after the name ISO was set. ==== Pronunciation ==== (Received Pronunciation) IPA(key): /ˈaɪ.səʊ/, /ˈaɪ.ɛsˌəʊ/ (General American) IPA(key): /ˈaɪ.soʊ/, /ˈaɪ.ɛsˌoʊ/ (official pronunciation as one word) (individual letters spoken) (official pronunciation as one word) (individual letters spoken) Homophone: iso ==== Proper noun ==== ISO (organisation) The International Organization for Standardization. ==== Noun ==== ISO (plural ISOs) (file format) A disk image of an ISO 9660 file system (such as a CD or DVD); also used as the file extension for such a file. (photography) A measure of film sensitivity or brightness, derived from the ISO standard. ===== Derived terms ===== === Etymology 2 === ==== Noun ==== ISO (plural ISOs) Initialism of Imperial Service Order. (finance) Initialism of incentive stock option. (music, derogatory) Initialism of instrument-shaped object, used to refer to a musical instrument that is of very low quality. Initialism of information security officer. Hyponyms: TISO, CISO, BISO ==== Preposition ==== ISO (in personal ads) Initialism of in search of. === References === === Anagrams === I/Os, ios, OSI, SIO, soi, OIs, OIS, SOI, iOS, IOs, Ios == Hungarian == === Pronunciation === IPA(key): [ˈizoː] === Proper noun === ISO ISO (International Organization for Standardization) ==== Declension ==== == Italian == === Pronunciation === IPA(key): /ˈi.zo/ Rhymes: -izo Hyphenation: Ì‧SO === Proper noun === ISO f ISO (International Organization for Standardization) === References === === Further reading === ISO in Treccani.it – Enciclopedia Treccani on line, Istituto dell'Enciclopedia Italiana == Spanish == === Proper noun === ISO f ISO (International Organization for Standardization) === Further reading === “ISO”, 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