/ Thesaurus / D Synonyms of digital plethysmograph Find synonyms for: Noun1. digital plethysmograph, plethysmographusage: plethysmograph applied to a digit of the hand or foot to measure skin blood flowWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: heifer Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language