What does "kaon" mean?

any of four unstable subatomic particles, mesons, they are a combination of a strange quark or antiquark and either an up or down quark or antiquark

What is a synonym for "kaon"?

Common synonyms include: k meson, k particle, k-meson, k-particle, kappa meson, kappa-meson.

//ˈkeɪˌɑn// noun

noun ·Rare ·Advanced level

Noun

1
any of four unstable subatomic particles, mesons, they are a combination of a strange quark or antiquark and either an up or down quark or antiquark particle
"K⁰: strange quark + down antiquark"
2
Acronym of Karlsruhe ontology. abbreviation, acronym, alt-of
3
an unstable meson produced as the result of a high-energy particle collision wordnet

"K⁰: strange quark + down antiquark"

From contracted pronunciation of K-meson.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.