/ Dictionary / Index I International Telecommunications Satellite Organization: Meaning and Definition of Find definitions for: In'terna'tional Tel'ecommunica'tions Sat"ellite Organiza"tion. Pronunciation: [key] See(def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. International System of Units international temperature scale Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language