twelve is one of the 1000 most common headwords.
turn - twelve - twenty
English numbers (edit)
 ←  11 12 13  → 
    Cardinal: twelve
    Ordinal: twelfth

Pronunciation

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Determiner

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Determiner
twelve

  1. (number) (indefinite) (plural) (count) (ordinal twelfth) Twelve is the number that is after eleven and before thirteen. In numerals, it is 12.
    Twelve eggs make a big omelette.

Singular
twelve

Plural
twelves

  1. The number 12.
    Two and ten makes twelve.
  2. A set of twelve things or persons.
    The twelve are never alone.
  3. To be twelve years old.
    This girl is twelve.