mul·​ti·​nu·​cle·​ar | \ ˌməl-tē-ˈnü-klē-ər How to pronounce multinuclear (audio) , -ˌtī-, -ˈnyü-, nonstandard -kyə-lər\

Definition of multinuclear

1 : multinucleated especially : having or involving more than two atomic nuclei … we had two NMR spectrometers available for a large number of students to use for their research. One was set up for multinuclear spectra … — Sheri Blystone
2 : having multiple world powers armed with nuclear weapons It was the frightening prospect of a multinuclear world as much as the older Arab-Israeli confrontation that propelled American policy on the Middle East.— William Hyland

First Known Use of multinuclear

1853, in the meaning defined at sense 1

Keep scrolling for more

Learn More about multinuclear

Statistics for multinuclear

Last Updated

17 Sep 2019

Look-up Popularity

Time Traveler for multinuclear

The first known use of multinuclear was in 1853

See more words from the same year

Comments on multinuclear

What made you want to look up multinuclear? Please tell us where you read or heard it (including the quote, if possible).


authorized for issue (as a bond)

Get Word of the Day daily email!

Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
True or False

Test your knowledge - and maybe learn something along the way.

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!