ˌnuclear ˈfission BrE AmE noun [uncountable]
the splitting of the ↑ nucleus (=central part) of an atom which results in a lot of power being produced
ˌnuclear ˈfission BrE AmE noun [uncountable]
the splitting of the ↑ nucleus (=central part) of an atom which results in a lot of power being produced
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012