noun (used with a singular verb)
the study of how humans and animals perform certain tasks and solve certain problems, and of the application of the findings to the design of electronic devices and mechanical parts.

1955–60; bio(logy) + (electro)nics Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
bionics (baɪˈɒnɪks)
1.  the study of certain biological functions, esp those relating to the brain, that are applicable to the development of electronic equipment, such as computer hardware, designed to operate in a similar manner
2.  the technique of replacing a limb or body part by an artificial limb or part that is electronically or mechanically powered
[C20: from bio- + (electr)onics]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin & History

1959, coined from bi(o)- (see bio-) + (electr)onic (also see -ics). The adj. form bionic is from 1963.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

bionics bi·on·ics (bī-ŏn'ĭks)
The science of biological functions and mechanisms as analogous to electronics, using knowledge of human and other animal systems to devise improvements in various machines, especially computers.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
bionics   (bī-ŏn'ĭks)  Pronunciation Key 
The use of a system or design found in nature, such as the ability of plants to store solar energy or the aerodynamic design of bird wings, as a model for designing machines and other artificial systems.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Britannica


science of constructing artificial systems that have some of the characteristics of living systems. Bionics is not a specialized science but an interscience discipline; it may be compared with cybernetics. Bionics and cybernetics have been called the two sides of the same coin. Both use models of living systems, bionics in order to find new ideas for useful artificial machines and systems, cybernetics to seek the explanation of living beings' behaviour.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
No surprise that the bionics industry is enjoying such robust growth.
It seems that bionics and robotics can solve a wide array of every problem that humans face.
Artificial limbs and a prosthetic arm create a path to better bionics.
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