noun \ˌpä-zə-ˈtrō-nē-əm\

Definition of POSITRONIUM

:  a short-lived system that consists of a positron and an electron bound together and is suggestive of a hydrogen atom

First Known Use of POSITRONIUM



Next Word in the Dictionary: posits
Previous Word in the Dictionary: positron–emission tomography
All Words Near: positronium

Seen & Heard

What made you want to look up positronium? Please tell us where you read or heard it (including the quote, if possible).

Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
Join Us on FB & Twitter
Get the Word of the Day and More