1. Any notation that uses 16 different characters
   - hexadecimal notation

Type of: mathematical notation

• accurately
• accurateness
• accurse
• accursed
• accurst
• accusal
• accusation
• accusative
• accusative case
• accusatorial
• accusatory
• accuse
• accused
• accuser
• accusing
• accusingly
• accusive
• accustom
• accustomed
• ace
• archenteron
• archeo-
• archeobacteria
• archeologic
• archeological