diaphanoscope
[dī-ăf′ə-nə-skōp′]
n.
An instrument for illuminating the interior of a body cavity to determine the translucency of its walls.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Examples from the Web for diaphanoscope
Historical Examples of diaphanoscope
Diaphanoscope, an apparatus by means of which transparent positive photographs may be viewed.
The New Gresham EncyclopediaVarious
The modification of the malt may also be determined by means of the diaphanoscope already referred to under Barley.