Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “nuclear”

nuclear

adjective     /ˈnjuːkliər/ US   /ˈnuːkliər/
ENVIRONMENT, NATURAL RESOURCES, PRODUCTION relating to the power produced when the central part of an atom is divided or joined to another one: nuclear energy/power/fuel The country had agreed to disable its main nuclear fuel production plant by the end of the year. the nuclear industry a nuclear plant/facility
relating to weapons that use nuclear energy: a nuclear bomb/deterrent/war
(Definition of nuclear adjective from the Cambridge Business English Dictionary © Cambridge University Press)
Focus on the pronunciation of nuclear

Browse related topics

You are looking at an entry to do with Arms & munitions in general, but you might be interested in these topics from the Weapons and explosives topic area:

More Business English definitions for “nuclear”

Definitions of “nuclear” in other dictionaries

Word of the Day

limber up

to do gentle exercises to stretch the muscles in order to prepare the body for more active physical exercise

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More