(ISA) A user group which published newsletters on Smalltalk-related issues, technical and general information. Its goal was to champion Smalltalk and its uses. It was disbanded around 1991.
- International space station
noun 1. an orbiting space station construction of which began in 2001 with the cooperation of 16 nations; used for scientific and space research ISS
- International standard
standard The series of standards from ISO and its subcommitees. [List? Text?] (1995-04-21)
- International standard atmosphere
noun 1. a theoretical vertical distribution of the physical properties of the atmosphere up to an altitude of 50 km established by international agreement. It permits the standardization of aircraft instruments and performance of all types of flying vehicles
noun 1. a unique, internationally utilized number code assigned to books for the purposes of identification and inventory control. Abbreviation: ISBN.