We use cookies for essential site function and analytics. How we use cookies

Wordabulary

nuclear fission

Pronunciation
Noun B2 Upper-intermediate

Quick answer

The splitting of a heavy atomic nucleus into two lighter nuclei, releasing a large amount of energy.

"Current nuclear power plants generate electricity using controlled nuclear fission."

Synonyms and antonyms

Antonyms

Test yourself

Which word fits the gap? "Current nuclear power plants generate electricity using controlled _____."

Answer: nuclear fission

In your own words, what does "nuclear fission" mean?

The splitting of a heavy atomic nucleus into two lighter nuclei, releasing a large amount of energy.

Learn next at B2

Report a mistake on this page

Practice "nuclear fission" until it sticks

A free account gives you spaced repetition, quizzes and progress tracking.

Sign up free