trimorphism /trī-mörˈfi-zm/

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

• variable-geometry aeroplane
• variable-geometry aeroplanes
• variable interest rate
• variableness
• variablenesses
• variable-pitch propeller
• variable-pitch propellers
• variable region
• variable regions
• variables
• variable star
• variable stars
• variable-sweep
• variably
• variae lectiones
• variance
• variances
• variant
• variant Creutzfeldt-Jakob disease
• variants
• variate
• variated
• variates
• variating
• variation