Help Wordnik hunt for a million missing words by backing our Kickstarter!


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

  • n. See positron.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. a positron

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

  • n. an elementary particle with positive charge; interaction of a positron and an electron results in annihilation


Sorry, no etymologies found.



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