leucoscope

1 definition found

leucoscope - Collaborative International Dictionary of English v.0.48 :

  Leucoscope \Leu"co*scope\ (l[=u]"k[-o]*sk[=o]p), n. [Leuco- +
     -scope.] (Physics)
     An instrument, devised by Professor Helmholtz, for testing
     the color perception of the eye, or for comparing different
     lights, as to their constituent colors or their relative
     whiteness.
     [1913 Webster]