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Definition of iso

iso

/ˈaɪ.soʊ/
i · so

Plural:isos
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iso Lexical Profile

iso Game Scores & Validity

• noun

1

In photography, a standardized measure of a film's or digital sensor's sensitivity to light.

Example

"To capture a clear photo in the dimly lit room without a flash, he had to raise the camera's ISO."


2

American An isolation play in sports such as basketball or American football, designed to create a one-on-one matchup for an offensive player.

Example

"The coach called an iso at the top of the key so the point guard could drive to the basket."


3

Australian A period of self-isolation or quarantine, especially for medical reasons.

Example

"She spent the week baking sourdough while stuck in iso at home."

Synonyms
View all synonyms for iso

Word Nuance & Usage

When capitalized as 'ISO', this term refers to the International Organization for Standardization, camera light sensitivity, or an acronym for 'in search of'. In lowercase, it is primarily used as informal slang for 'isolation'.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Iso. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/iso
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