plural in form but singular in construction
: the science of communication and control theory that is concerned especially with the comparative study of automatic control systems (such as the nervous system and brain and mechanical-electrical communication systems)

Examples of cybernetics in a Sentence

Recent Examples on the Web
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Yeah; this this comes from Dan Davies, who’s a British writer, investment analyst, and basically a cybernetics-and-systems-theory guy. Charlie Warzel, The Atlantic, 19 June 2026

Word History

Etymology

Greek kybernētēs pilot, governor (from kybernan to steer, govern) + English -ics

First Known Use

1948, in the meaning defined above

Time Traveler
The first known use of cybernetics was in 1948

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Cite this Entry

“Cybernetics.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cybernetics. Accessed 7 Jul. 2026.

Kids Definition

cybernetics

noun
: a science concerned especially with studies comparing automatic control systems (as that of the nervous system and brain and mechanical-electrical communication systems)

Medical Definition

cybernetics

noun, plural in form but singular in construction
: the science of communication and control theory that is concerned especially with the comparative study of automatic control systems (as the nervous system and brain and mechanical-electrical communication systems)

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