photonuclear

[ foh-toh-noo-klee-er, -nyoo- or, by metathesis, -kyuh-ler ]

/ ˌfoʊ toʊˈnu kli ər, -ˈnyu- or, by metathesis, -kyə lər /

adjective Physics.

of, relating to, or caused by the collision of high-energy photons with the nucleus of an atom.

QUIZZES

ELEMENTARY SCHOOL PUNCTUATION QUIZ

Punctuation marks help make writing easy to read and understand. Some of the most important ones are the period (.), comma (,), question mark (?), and exclamation point (!). How well do you know how to use them? Find out in this quiz!

Question 1 of 10

Which punctuation mark is best for this sentence? "Can I watch a movie __"

comma (,)

period (.)

question mark (?)

TAKE THE QUIZ TO FIND OUT

Origin of photonuclear

First recorded in 1940–45; photo- + nuclear

pronunciation note for photonuclear

See nuclear.

Words nearby photonuclear

photonegative, photoneutron, photonic, photonics, photonovel, photonuclear, photooxidation, photopathy, photoperceptive, photoperiod, photoperiodism

British Dictionary definitions for photonuclear

photonuclear

/ (ˌfəʊtəʊˈnjuːklɪə) /

adjective

physics of or concerned with a nuclear reaction caused by a photon

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