Definition of "ISO"

(organisation) The International Organization for Standardization.  examples

(file format) A disk image of an ISO 9660 file system (such as a CD or DVD); also used as the file extension for such a file.  examples

(photography) A measure of film sensitivity or brightness, derived from the ISO standard.  examples

(music, derogatory) Abbreviation of instrument-shaped object. Used to refer to a musical instrument that is of very low quality.  examples

Initialism of Imperial Service Order.  examples

(finance) Initialism of incentive stock option.  examples

(in personal ads) Initialism of in search of.  quotations  examples