'Teinoscope' definitions:

Definition of 'Teinoscope'

From: GCIDE

Teinoscope \Tei"no*scope\, n. [Gr. ? to extend + -scope.] (Physics) An instrument formed by combining prisms so as to correct the chromatic aberration of the light while linear dimensions of objects seen through the prisms are increased or diminished; -- called also prism telescope. --Sir D. Brewster. [1913 Webster]