trimorphism /trī-mörˈfi-zm/

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

• undeify
• undeifying
• undelayed
• undelaying
• undelectable
• undelegated
• undelete
• undeleted
• undeletes
• undeleting
• undeliberate
• undelight
• undelighted
• undelightful
• undelights
• undeliverable
• undelivered
• undeluded
• undemanding
• undemocratic
• undemonstrable
• undemonstrative
• undemonstrativeness
• undeniable
• undeniableness