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n. - A nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy; Reproduction of some unicellular organisms by division of the cell into two more or less equal parts.

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Usage examples (31)
  • No, not the rack, not fission bombs, not anything--you can't conquer a free man; the most you can do is kill him.
  • (1878-1968) interpreted the fission of uranium (the term fission is another Copenhagen contribution), in terms of the "liquid drop model."
  • I think nuclear fission is a bad way to get energy.
  • Nuclear fission is neither clean nor safe nor unlimited.
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