an elementary particle with a positive charge, a positron
antielectron in American English
(ˌæntaɪiˈlɛkˌtrɑn)
noun
positron
antielectron in American English
(ˌæntiɪˈlektrɑn, ˌæntai-)
noun
Physics
a positron
Word origin
[anti- + electron]anti- is a prefix meaning “against,” “opposite of,” “antiparticle of,” used in the formationof compound words (anticline); used freely in combination with elements of any origin (antibody; antifreeze; antiknock; antilepton)