1. An unstable meson produced as the result of a high-energy particle collision
   - kaon, kappa-meson, k-meson

Type of: meson, mesotron

• whinny
• whinstone
• whiny
• whip
• whip hand
• whip through
• whip top
• whip up
• whip-round
• whip-scorpion
• whipcord
• whiplash
• whiplash injury
• whiplike
• whipped cream
• whipper
• whipper-in
• whippersnapper
• whippet
• whipping
• whipping boy
• whipping cream
• whipping post
• whipping top
• Whipple's penstemon