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

• costmaries
• costmary
• cost of living
• cost of living index
• cost plus
• cost-plus
• cost price
• cost push
• cost-push inflation
• costrel
• costrels
• costs
• cost someone dear
• cost someone dearly
• cost the earth
• costume
• costumed
• costume drama
• costume dramas
• costume jewellery
• costume piece
• costume play
• costumer
• costumers
• costumes