from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Power, especially electricity, the source of which is nuclear fission or fusion.
  • n. A nation or group possessing nuclear weapons.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Power, especially electrical power, obtained using nuclear fission or nuclear fusion
  • n. A nation that possesses nuclear weapons

from the GNU version of the Collaborative International Dictionary of English

  • n. Power derived from nuclear reactions; -- used at present especially of electrical power generated in atomic reactors, but encompassing also fusion power.
  • n. A country possessing nuclear weapons.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. nuclear energy regarded as a source of electricity for the power grid (for civilian use)


Sorry, no etymologies found.


Sorry, no example sentences found.

Wordnik is becoming a not-for-profit! Read our announcement here.


Log in or sign up to get involved in the conversation. It's quick and easy.