iso
i·so-/ˈaɪsoʊ/noun, preposition
iso is spelled I-S-O: 3 letters and 2 syllables (i·so-). It appears 6.2 times per million words in written English, the 9,735th most frequent word form (wordfreq, 2021 data). As a noun, iso means “Quarantine measures in order to mitigate the spread of communicable diseases, such as Covid-19” (English Wiktionary, September 2026). The plural of iso is isos.
How many letters and syllables are in iso?
| Letters | 3: I-S-O |
|---|---|
| Syllables | 2: i·so- |
| In writing | 6.2 times per million words; the 9,735th most frequent word form |
| Wrong spellings searched | none measured in search |
| Rhymes with | |
| Same letters |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is iso?
Iso appears 6.2 times per million words in written English, the 9,735th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce iso?
- UK /ˈaɪsəʊ/
- US /ˈaɪsoʊ/
Iso has 2 syllables, split i·so- in writing.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-uk-iso.ogg, En-us-iso.ogg, LL-Q1860_(eng)-Flame,_not_lame-iso-.wav, Wikimedia Commons (author and licence on each file's page).
What rhymes with iso?
One word on PlainSpell end in the same sounds as iso from its last stressed vowel (/aɪsoʊ/):
Spelled with the same letters in another order: soi.
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
Forms of iso
- isos plural
- is-
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does iso mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
colloquialQuarantine measures in order to mitigate the spread of communicable diseases, such as Covid-19.
- 2
colloquialAn isolation play in basketball or American football.
- 3
Clipping of isomorphism.
noun
- 1
A disk image of an ISO 9660 file system (such as a CD or DVD).
I downloaded the ISO but got an error when trying to burn it to disc.
- 2
A measure of film sensitivity or brightness, derived from the ISO standard.
- 3
Initialism of Imperial Service Order.
- 4
Initialism of incentive stock option.
- 5
derogatoryInitialism of instrument-shaped object.
- 6
Initialism of information security officer.
preposition
- 1
Initialism of in search of.
preposition
- 1
Initialism of in search of.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Iso in Spanish, French, German and Portuguese
In the sense equal:
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.