Negatron definition

An electron with a negative charge; the antiparticle of the positron . Most branches of particle physics construe each particle along with its antiparticle to be two different forms of one underlying phenomenon, and the term electron is sometimes used as a precisely such a general term, with positron and negatron referring to the forms of the electron as they are manifested in nature.

An electron with a negative charge, as contrasted with a positron.