name · noun · prep · 11 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
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
Received-Pronunciation:/ˈaɪ.səʊ/
Received-Pronunciation:/ˈaɪ.ɛsˌəʊ/
General-American:/ˈaɪ.soʊ/
General-American:/ˈaɪ.ɛsˌoʊ/
UK:Recorded audio is listed in the source snapshot.
UK:Recorded audio is listed in the source snapshot.
US:Recorded audio is listed in the source snapshot.
US:Recorded audio is listed in the source snapshot.
homophone: iso
Received-Pronunciation:/ˈaɪsəʊ/
General-American:/ˈaɪsoʊ/
US:Recorded audio is listed in the source snapshot.
homophone: ISO
1
name
Meaning 1
The International Organization for Standardization.
Definition source: English Wiktionary via Wiktextract
Qualifier: organisation
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
Clipping of isolation.
Quarantine measures in order to mitigate the spread of communicable diseases, such as Covid-19.
Definition source: English Wiktionary via Wiktextract
Usage: colloquial, countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
Clipping of isolation.
An isolation play in basketball or American football.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
10
noun
Meaning 10
Initialism of information security officer.
Definition source: English Wiktionary via Wiktextract
Usage: abbreviation, alt-of, initialism
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
11
prep
Meaning 11
Initialism of in search of.
Definition source: English Wiktionary via Wiktextract
Usage: abbreviation, alt-of, initialism
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
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. (file format): From the file extension, in reference to the ISO 9660 specification.