trimorphism /trī-mörˈfi-zm/

1. Occurrence of three forms in the same species (biology)
2. The property of crystallizing in three forms (chem)

trimorˈphic or trimorˈphous adjective

• perfuses
• perfusing
• perfusion
• perfusionist
• perfusionists
• perfusions
• perfusive
• pergameneous
• pergamentaceous
• pergola
• pergolas
• pergunnah
• pergunnahs
• perh
• perhaps
• peri
• peri-
• periagua
• periaktoi
• periaktos
• perianth
• perianths
• periapses
• periapsis
• periapt