Microspectroscope
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Mi`cro`spec´tro`scope
(mī`krô`spĕk´trô`skōp or mĭ`krô`spĕk´trô`skōp) n. 1. (Physics) A spectroscope arranged for attachment to a microscope, for observation of the spectrum of light from minute portions of any substance.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.