[ ahy-on-tuh-fuh-ree-sis ]
/ aɪˌɒn tə fəˈri sɪs /


a painless alternative to drug injection in which a weak electrical current is used to stimulate drug-carrying ions to pass through intact skin.

Origin of iontophoresis

1905–10; < Greek iont- (stem of iṓn), present participle of iénai to go (cf. ion) + -o- -o- + phorē-, verbid stem of phoreîn to carry (akin to phérein; see bear1) + -sis -sis

OTHER WORDS FROM iontophoresis

i·on·to·pho·ret·ic [ahy-on-tuh-fuh-ret-ik] /aɪˌɒn tə fəˈrɛt ɪk/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for iontophoresis

/ (aɪˌɒntəʊfəˈriːsɪs) /


biochem a technique for studying neurotransmitters in the brain by the application of experimental solutions to the tissues through fine glass electrodes

Word Origin for iontophoresis

C20: from Greek iont-, ion, from ienai to go + -phoresis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for iontophoresis

[ ī-ŏn′tə-fə-rēsĭs ]


The use of an electric current to introduce the ions of a medicament into bodily tissues.ionization

Other words from iontophoresis

i•on′to•pho•retic (-rĕtĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.