cy·ber·net·ics (s??b?r-n?t??ks)n. (used with a sing. verb) The theoretical study of communication and control processes in biological, mechanical, and electronic systems, especially the comparison of these processes in biological and artificial systems.[From Greek kubern?t?s, governor, from kubern?n, to govern.]cy?ber·net?ic adj.cy?ber·net?i·cal·ly adv.cy?ber·net?i·cist, cy?ber·ne·ti?cian (-n?-t?sh??n) n.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.cybernetics (?sa?b??n?t?ks) n (General Engineering) (functioning as singular) the branch of science concerned with control systems in electronic and mechanical devices and the extent to which useful comparisons can be made between man-made and biological systems. See also feedback1[C20: from Greek kubern?t?s steersman, from kubernan to steer, control] ?cyber?netic, ?cyber?netical adj ?cyber?netically adv ?cyber?neticist, cybernetician nCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014cy?ber?net?ics (?sa? b?r?n?t ?ks) n. (used with a sing. v.) the comparative study of organic control and communication systems, as the brain and its neurons, and mechanical or electronic systems analogous to them, as robots or computers. [1948;