Is it farther or further?
word-forming element meaning "equal, similar, identical; isometric," from comb. form of Greek isos "equal to, the same as" (e.g. isometor "like one's mother"). Used properly only with words of Greek origin; the Latin equivalent is equi- (see equi-).
iso- or is-
Equal; uniform: isobar.
Characterized by sameness with respect to species: isoantigen.
Characterized by sameness with respect to genotype: isograft.
An organization, the International Organization for Standardization, that sets standards in many businesses and technologies, including computing and communications. The term ISO is not an abbreviation, but instead derives from the Greek word īsos, meaning equal.
Solitary confinement or isolation cells (Prison)