From Longman Dictionary of Contemporary Englishnineteennine‧teen /ˌnaɪnˈtiːn◂/ ●●● S3 W3 number 1 HMNthe number 19 It was nineteen minutes past seven. I was only nineteen (=19 years old).2 → nineteen to the dozen —nineteenth adjective, pronoun in the nineteenth century her nineteenth birthday I’m planning to leave on the nineteenth (=the 19th day of the month).
Examples from the Corpus
the nineteenth• Let's have dinner on the nineteenth.Origin nineteen Old English nigontiene, from nigon “nine” + tien “ten” 