iso: Meaning and Definition of

i•so

1. See

ISO

1. incentive stock option.
2. International Standardization Organization.
3. the numerical exposure index of a photographic film under the system adopted by the International Standardization Organization, used to indicate the light sensitivity of the film's emulsion.

iso-

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