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  • iso
    iso
    noun
  • ISO
    ISO
    abbreviation
    incentive stock option.
  • iso-
    iso-
    a combining form meaning “equal,” used in the formation of compound words: isochromatic; in chemistry, used in the names of substances which are isomeric with the substance denoted by the base word: isocyanic acid.

iso

1 American  
[ahy-soh] / ˈaɪ soʊ /

noun

isos plural
  1. Television Slang. isolated camera.

  2. Sports.

    1. Basketball. a play in which an offensive player and a single defender are isolated and must play one-on-one.

    2. Football. a play in which a fullback acts as a blocker for the halfback.


ISO 2 American  

abbreviation

  1. incentive stock option.

  2. the numerical exposure index of a photographic film, used to indicate the light sensitivity of the film's emulsion.

  3. in search of: (used inclassified ads ).

    ISO roommate for a 2 bed/1 bath apartment.


ISO 3 American  
Trademark.
  1. International Organization for Standardization: an international nongovernmental organization that issues standards across a variety of industries.


iso- 4 American  
  1. a combining form meaning “equal,” used in the formation of compound words: isochromatic; in chemistry, used in the names of substances which are isomeric with the substance denoted by the base word: isocyanic acid.


iso- 1 British  

combining form

  1. equal or identical

    isomagnetic

  2. indicating that a chemical compound is an isomer of a specified compound

    isobutane

    isocyanic acid

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

ISO 2 British  
/ aɪsaʊ /

noun

  1. International Organization for Standardization

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of iso1

By shortening; cf. -o

Origin of iso-4

From Greek, combining form of ísos “equal”

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

“I thought both of them hit some really difficult shots. They went into iso and took mid-range turnaround, contested twos that our guys challenged them on. They make those because they’re elite offensive players.”

From Seattle Times May 11, 2024

“They do play a style, they do run a lot of iso stuff with Kawhi and then with PG, so if you look at James and James’ style, it fits in.

From Los Angeles Times Oct. 31, 2023

Yeah, it's a lot of handle and it's a lot of iso and picking on the weak guy.

From Salon Mar. 6, 2021

This concept is known as the iso principle, which is a technique music therapists use to alter the mood of a patient.

From The Guardian Apr. 15, 2020

I tried to stand, but the room spun around me and I iso plopped back down.

From "Chains" by Laurie Halse Anderson

The New York ISO asked dozens of large electricity users including manufacturers to ramp down their power usage on certain days to help make sure there was enough power.

From Barron's Feb. 6, 2026

CalRecycle’s latest attempt at rules to implement the state’s plastic waste law is under fire — including for its decision to use ISO guidelines on hazardous waste that cost nearly $200 to access.

From Los Angeles Times Aug. 10, 2025

“The draft calls on aligning facilities with this ISO standard,” said Monica Wilson, senior director of global programs at the Global Alliance for Incinerator Alternatives.

From Los Angeles Times May 30, 2025

Mexico and Canada trade zone it dropped 6.1%, ISO data showed.

From Seattle Times Jun. 2, 2024

ISO • “Yes,” the woman on the other end said.

From "The Dead and the Gone" by Susan Beth Pfeffer

This season, while Beal has led the Wizards with a 22.6 scoring average, DeRozan shed his former iso- and midrange-heavy ways, expanding his game to the three-point arc and averaging 23 points.

From Washington Post Apr. 13, 2018

Most of Vienna is Baroque, in fine fashion, but there are iso- lated examples of Gothic.

From Terminal Compromise: computer terrorism: when privacy and freedom are the victims: a novel by Schwartau, Winn

“They went wherever they wanted to go, scoring from the paint, floaters, isos, offensive rebounds, free throws, 3s,” said Milwaukee’s Giannis Antetokounmpo, who had 34 points and 13 rebounds.

From Seattle Times Mar. 4, 2023

In technical terms, these groups are connected by an “isomorphism,” a term whose etymology—from the Greek isos, meaning “equal,” and morphe, meaning “form”—indicates its meaning.

From Scientific American Sep. 14, 2021

The Lakers’ offensive sets were monotonous in the extreme – Kobe isos near the elbow that lead to either penetration toward the hoop or a wild fadeaway jumper.

From The Guardian Apr. 14, 2016

The 1833 edition has no title but this quotation from Sappho prefixed:— 'Phainetai moi kaenos isos theoisin Emmen anaer'—SAPPHO.

From The Early Poems of Alfred Lord Tennyson by Collins, John Churton

Such zones or divisions of the land, ocean, or atmosphere, which have an equal degree of mean annual warmth, are said to be isothermal, from ισος, isos, equal, and θερμη, therme, heat.

From Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology by Lyell, Charles, Sir

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