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See more synonyms for bionic on Thesaurus.com
  1. utilizing electronic devices and mechanical parts to assist humans in performing difficult, dangerous, or intricate tasks, as by supplementing or duplicating parts of the body: The scientist used a bionic arm to examine the radioactive material.
  2. Informal. having superhuman strength or capacity.
  3. of or relating to bionics.
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Origin of bionic

1955–60; bio- + (electro)nic; cf. bionics
Related formsbi·on·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for bionic


  1. of or relating to bionics
  2. (in science fiction) having certain physiological functions augmented or replaced by electronic equipmentthe bionic man
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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

Word Origin and History for bionic


1901, as a term in the study of fossils, from Greek. bios "life" (see bio-). Meaning "pertaining to bionics" is recorded from 1963. Popular sense of "superhumanly gifted or durable" is from 1976, from popular U.S. television program "The Bionic Man" and its spin-offs.

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Online Etymology Dictionary, © 2010 Douglas Harper

bionic in Medicine


  1. Of, relating to, or developed from bionics.
  2. Having anatomical structures or physiological processes that are replaced or enhanced by electronic or mechanical components.
  3. Having extraordinary strength, powers, or capabilities; superhuman.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.