1. The febrile state, or an attack of fever.

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

• oyrexia,
• lyrexia,
• -yrexia,
• 0yrexia,
• ptrexia,
• pgrexia,
• phrexia,
• purexia,
• p7rexia,
• p6rexia,
• pyrrexia,
• pyrexa,
• pyrexxia,
• pyrexiia,
• Pyrexeia,
• pyrrexa,
• pyrxeria,
• pyrexea,
• pyrexxea,
• pyrexiya

• pyrrosia,
• pyrex.

The adjective form of the word "pyrexia" is "pyretic".

The plural of the "pyrexia" can be the "pyrexias".

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