Microspectroscope /(mī`krō̇*spĕk"trō̇*skōp [or] mĭ`krō̇*spĕk"trō̇*skōp)/

Mi·cro·spec·tro·scope

Microspectroscope

n.
  1. A spectroscope arranged for attachment to a microscope, for observation of the spectrum of light from minute portions of any substance. (Physics)