1. Any notation that uses 12 different characters

Type of: mathematical notation

• distain
• distal
• distal muscular dystrophy
• distally
• distance
• distance learning
• distance vision
• distant
• distantly
• distaste
• distasteful
• distastefully
• distastefulness
• distemper
• distend
• distensibility
• distensible
• distension
• distention
• distich
• distichous
• distil
• distill
• distillate
• distillation