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Meaning of psychogalvanometer

psy•cho•gal•va•nom•e•ter

Pronunciation: (sī"kō-gal"vu-nom'i-tur), [key]
— n. Med.
  1. a type of galvanometer for detecting and measuring psychogalvanic currents.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.