microspectroscope

from The Collaborative International Dictionary of English v.0.48

Microspectroscope \Mi`cro*spec"tro*scope\
   (m[imac]`kr[-o]*sp[e^]k"tr[-o]*sk[=o]p or
   m[i^]`kr[-o]*sp[e^]k"tr[-o]*sk[=o]p), n. [Micro- +
   spectroscope.] (Physics)
   A spectroscope arranged for attachment to a microscope, for
   observation of the spectrum of light from minute portions of
   any substance.
   [1913 Webster]