positron

positron definition - medical

pos·i·tron (pŏzˈĭ-trŏnˌ)

noun
A positively charged particle of the same mass and magnitude of charge as an electron. Also called antielectron, positive electron.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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