[noo-klee-on-iks, nyoo-]

noun (used with a singular verb)

the branch of science that deals with nuclear phenomena, as radioactivity, fission, or fusion, especially practical applications, as in industrial engineering.

Origin of nucleonics

First recorded in 1940–45; nucleon + -ics Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for nucleonics

fission, nucleonics, splitting, atomics

Examples from the Web for nucleonics

Historical Examples of nucleonics

  • The trouble was, he was a nucleonics engineer, not a chemist.

    The Bramble Bush

    Gordon Randall Garrett

  • I rebuilt my camera for about the twentieth time and just about finished a correspondence course in nucleonics.

    The Repairman

    Harry Harrison

British Dictionary definitions for nucleonics



(functioning as singular) the branch of physics concerned with the applications of nuclear energy
Derived Formsnucleonic, adjectivenucleonically, adverb
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

nucleonics in Science



The study of the quantum behavior of atomic nuclei, in particular of the transitions they make between discrete energy levels as they emit and give off radiation.
Development of instruments for use in nuclear research.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.