positron Hear it!

positron definition

☆ posi·tron (päz′i trän′)

noun

Particle Physics a positively charged lepton with the same mass and magnitude of charge as the electron; the antiparticle of an electron

Etymology: posi(tive) + (elec)tron

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.