/ Dictionary / Index I instrumentation: Meaning and Definition of Find definitions for: in•stru•men•ta•tion Pronunciation: (in"stru-men-tā'shun), [key] — n. the arranging of music for instruments, esp. for an orchestra. the list of instruments for which a composition is scored. the use of, or work done by, instruments. instrumental agency; instrumentality. the science of developing, manufacturing, and utilizing instruments, esp. those used in science and industry. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: instrumentation (Thesaurus) instrumentality instrumented Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language