Nuclear

Nuclear means "of or belonging to the nucleus (or center) of something". Which pronunciations of "nuclear" are commonly acceptable is a matter of some debate and amusement; see Nucular for an example.

Where the subject is the nucleus of an atom, "nuclear" usually refers to nuclear physics.
- See also: atomic nucleus, nuclear explosion, nuclear magnetic resonance, nuclear meltdown, nuclear fission, nuclear fusion, nuclear reaction, nuclear reactor, nuclear warfare, nuclear weapon, nuclear weapon design, nuclear winter, radiation poisoning, radioactive contamination, radioactive waste, radioactivity, radiological weapon, renewable energy
In biology, it refers to the cell nucleus.
The term nuclear is also sometimes used to refer to a family type. See: nuclear family.

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