leptoscope

lep·to·scope

(lep'tō-skōp),
An apparatus for measuring cell membranes.

leptoscope

Medspeak
A device used to examine cell membranes.
 
Technology
A tool for precision, non-destructive measurement of film thicknesses on steel and non-ferrous metals.

leptoscope

(lĕp′tō-skōp) [″ + skopein, to examine]
An optical device for measuring the thickness of cell membranes.