1. A capsule which divides circularly into an upper and lower half, as the pimpernel.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• oyxidium,
• lyxidium,
• -yxidium,
• 0yxidium,
• ptxidium,
• pgxidium,
• phxidium,
• puxidium,
• p7xidium,
• p6xidium,
• pyxudium,
• pyxjdium,
• pyxkdium,
• pyxodium,
• pyx9dium,
• pyx8dium,
• pyxisium,
• pixidium,
• pyxidion,
• poxydium

The plural of the "pyxidium" can be the "pyxidiia".

The singular of the "pyxidium" can be the "pyxidium".