nuclear

/ˈn(j)ukliɚ//ˈnjuː.klɪə//ˈn(j)ukjəlɚ/

noun

1
Pertaining to the nucleus of an atom.
2
Involving energy released by nuclear reactions (fission, fusion, radioactive decay).
“a nuclear reactor”
3
Relating to a weapon that derives its force from rapid release of energy through nuclear reactions.
“a nuclear explosion”
4
(by extension, metaphoric, of a solution or response) Involving an extreme course of action.
“nuclear option, nuclear solution”
5
Pertaining to the nucleus of a cell.
6
Pertaining to a centre around which something is developed or organised; central, pivotal.

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