Morpheme
Positr
Type
bound base
Denotation
positron, antimatter equivalent of an electron with the same mass but a positive charge
Etymology
from positron, 1932 coinage by American physicist Carl Anderson from blend of positive (<Pose + -it(e) + -ive>) + electron (from blend of electric + ion)
Evidence
dipositronium, orthopositronium, parapositronium, positrino, positronium