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eighteenth

Pronunciation: /ˌeɪˈtiːnθ/

The English word “eighteenth” has 4 meanings listed here.

adjective

  1. The ordinal form of the number eighteen.

noun

  1. The person or thing in the eighteenth position.
  2. One of eighteen equal parts of a whole.
  3. A party to celebrate an eighteenth birthday.

Etymology

Inherited from Middle English eightetenthe, eightetethe, from Old English eahtatēoþa, from Proto-Germanic *ahtudô tehundô. Equivalent to eighteen + -th (ordinal suffix).

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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.