a graph plotting current against potential, used to determine the concentration and nature of ions in a solution
polarogram in American English
(pouˈlærəˌɡræm)
noun
the record produced by the action of a Polarograph
Word origin
[1920–25; polar + -o- + -gram1]This word is first recorded in the period 1920–25. Other words that entered Englishat around the same time include: audio, checkout, montage, superpower, zipper-gram is a combining form occurring in loanwords from Greek, where it meant “somethingwritten,” “drawing” (epigram; diagram). On this model, -gram is used in the formation of compound words (oscillogram)