1. Coming next after the nineteenth in position
   - 20th

1. Position 20 in a countable series of things

Derived forms: twentieths

See also: ordinal

Type of: rank

Encyclopedia: Twentieth

• atropin
• atropine
• Atropos
• Atrovent
• Atsugewi
• attaboy
• Attacapa
• Attacapan
• attach
• attach to
• attachable
• attached
• attachment
• attaché
• attaché case
• attack
• attack aircraft
• attack aircraft carrier
• attack dog
• attack submarine
• attacker
• attacking
• attain
• attainability
• attainable