1. Any notation that uses 12 different characters

Type of: mathematical notation

• motherwort
• mothproof
• mothy
• motif
• motile
• motilin
• motility
• motion
• motion picture
• motion sickness
• motion study
• motion-picture camera
• motion-picture fan
• motion-picture film
• motion-picture photography
• motion-picture show
• motional
• motionless
• motionlessly
• motionlessness
• motivate
• motivated
• motivating
• motivation
• motivational