According to ISO, ISO is not an abbreviation. It is a word, derived from the Greek isos, meaning "equal," which is the root for the prefix iso- that occurs in a host of terms, such as isometric (of equal measure or dimensions) and isonomy (equality of laws, or of people before the law). The name ISO is used around the world to denote the organization, thus avoiding the assortment of abbreviations that would result from the translation of "International Organization for Standardization" into the different national languages of members. Whatever the country, the short form of the organization's name is always ISO.
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