Topic: PHYSICS
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| Date: | 1800-1900 |
| Origin: | nucleus |
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nu‧cle‧ar W3
[usually before noun]
[usually before noun]1HPTP relating to or involving the nucleus (=central part) of an atom, or the energy produced when the nucleus of an atom is either split or joined with the nucleus of another atom : a nuclear power station a nuclear-powered submarine
a nuclear power stationa nuclear-powered submarine2PMWHP relating to or involving the use of weapons that use nuclear energy [↪ anti-nuclear]With the collapse of the former Soviet Union, the possibility of a nuclear holocaust (=a nuclear war that destroys much of the Earth) was greatly reduced.
nuclear bomb/weapon/missile etc the threat of nuclear attack concern about the country's nuclear weapons program
the threat of nuclear attackconcern about the country's nuclear weapons programWith the collapse of the former Soviet Union, the possibility of a nuclear holocaust (=a nuclear war that destroys much of the Earth) was greatly reduced.