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

Derived forms: kappa-mesons

Type of: meson, mesotron

• windward
• Windward Islands
• Windward Isles
• Windward Passage
• windward side
• windy
• Windy City
• wine
• wine and dine
• wine bar
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• wine cellar
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• wine merchant
• wine palm
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• wine taster
• wine tasting
• wine vinegar