atomic energy
noun /əˌtɒmɪk ˈenədʒi/
/əˌtɑːmɪk ˈenərdʒi/
(also atomic power
[uncountable] /əˌtɒmɪk ˈpaʊə(r)/
/əˌtɑːmɪk ˈpaʊər/
, nuclear energy, nuclear power)- a powerful form of energy produced by changing matter into energy by splitting the nuclei (= central parts) of atoms. It is used to produce electricity.Topics The environmentc1, Physics and chemistryc1