nuclear
US /ˈnuː.kliː.ɚ/
UK /ˈnuː.kliː.ɚ/
1.
relating to the nucleus of an atom
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Nuclear physics is a complex field of study.
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The experiment involved observing nuclear reactions.
2.
using or producing energy from the fission or fusion of atomic nuclei
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The country is developing nuclear power plants.
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There is a debate about the safety of nuclear waste.
3.
relating to a family, especially a family consisting of a mother, father, and their children
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The concept of the nuclear family is common in many Western societies.
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She values her close-knit nuclear family.