triduum /tridˈū-əm or trīˈdū-/ (esp RC)

1. A space of three days
2. A period of prayer or religious celebration lasting three days

tridˈūan adjective

Lasting three days

• rhinolith
• rhinoliths
• rhinological
• rhinologies
• rhinologist
• rhinologists
• rhinology
• rhinopharyngitis
• rhinophyma
• rhinophymas
• rhinoplastic
• rhinoplasties
• rhinoplasty
• rhinorrhagia
• rhinorrhagias
• rhinorrhoea
• rhinorrhoeal
• rhinorrhoeas
• rhinos
• rhinoscleroma
• rhinoscleromas
• rhinoscleromata
• rhinoscope
• rhinoscopes
• rhinoscopic