W particle

noun

, Physics.

1. either of two types of charged intermediate vector bosons, one having a positive charge and the other a negative charge. : W + , W −

W particle

noun

1. physics a type of elementary particle with either a positive or negative charge considered to transmit the weak interaction between other elementary particles. W particles have a rest mass of 1.435 × 10 ^–25kg Also calledW boson See also Z particle

W particle

1. See W boson

Word History and Origins

Origin of W particle¹

First recorded in 1970–75; apparently for weak