nuclear

/ˈnukliər/
adjective
  1. Relating to the nucleus of an atom, or energy produced by splitting or fusing atoms.
    • Nuclear physics explores the behavior of atomic particles.
    • The country signed a treaty to limit nuclear weapons.
    • Nuclear power plants generate electricity without burning fossil fuels.
  2. Relating to the central part of a cell (the nucleus).
    • The nuclear membrane protects the DNA inside the cell.
    • Nuclear division is a key step in cell reproduction.
    • Doctors examined the nuclear structure of the tissue sample.
  3. Relating to the central or most important part of something.
    • The nuclear team made the final decision.
    • The nuclear family consists of parents and their children.
    • These issues are nuclear to the company's strategy.
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