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

Type of: meson, mesotron

• 17 November
• 170
• 170th
• 1728
• 175
• 1750s
• 175th
• 1760s
• 1770s
• 1780s
• 1790s
• 17th
• 18
• 18-carat gold
• 18-karat gold
• 180
• 180th
• 1820s
• 1830s
• 1840s
• 1850s
• 1860s
• 1870s
• 1880s
• 1890s