K meson

noun

, Physics.

1. kaon.

K-meson

noun

1. another name for kaon

K-meson

1. See kaon

Word History and Origins

Origin of K meson¹

First recorded in 1950–55

Example Sentences

The track she was looking at, later labelled k, was evidence of an unknown particle, now known as the kaon or K meson.

From BBC

What a miracle it seemed that boxes of punched cardboard cards could produce pages and pages of a printed simulation of a collision between a K meson and a proton.

From New York Times

One of their most baffling stunts was to produce the K meson, a short-lived particle knocked out of atomic nuclei.

From Time Magazine Archive