1. The first Sunday in Lent
   - Quadragesima

Type of: Christian holy day

• pyrometric cone
• pyromorphite
• pyrope
• pyrophobia
• pyrophoric alloy
• Pyrophorus
• Pyrophorus noctiluca
• pyrophosphate
• pyrophosphoric acid
• pyrophyllite
• pyroscope
• pyrosis
• pyrostat
• pyrotechnic
• pyrotechnical
• pyrotechnics
• pyrotechnist
• pyrotechny
• pyroxene
• pyroxylin
• pyroxyline
• pyrrhic
• Pyrrhic victory
• Pyrrhocoridae
• pyrrhotine