1. Coming next after the eleventh and just before the thirteenth in position
   - twelfth, 12th

See also: ordinal

• addition reaction
• additional
• additionally
• Additions to Esther
• additive
• additive inverse
• addle
• addlebrained
• addled
• addlehead
• addlepated
• address
• addressable
• addressed
• addressee
• addressing machine
• Addressograph
• adduce
• adducent
• adducer
• adducing
• adduct
• adducting
• adduction
• adductive