thirty

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English

English numbers (edit)
300
 ←  20  ←  29 30 31  →  40  → 
3
    Cardinal: thirty
    Ordinal: thirtieth
    Adverbial: thirty times
    Multiplier: thirtyfold

Alternative forms

Etymology

From Middle English thirty, metathetic alternant of Middle English thriti, þrittiȝ, from Old English þrītiġ (“thirty”), from Proto-Germanic *þrīz tigiwiz (“thirty”, literally “three tens”), equivalent to three +‎ -ty.[1][2] Cognate with Scots therty, tretty (“thirty”), West Frisian tritich (“thirty”), Dutch dertig (“thirty”), German dreißig (“thirty”).

Pronunciation

Numeral

thirty

  1. The cardinal number occurring after twenty-nine and before thirty-one, represented in Arabic numerals as 30.

Synonyms

Derived terms

Translations

See also

Noun

thirty (plural thirties)

  1. (slang) A rack of thirty beers.

References

  1. ↑ 1.0 1.1 “thirty”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.
  2. ↑ 2.0 2.1 “thirty”, in Dictionary.com Unabridged, Dictionary.com, LLC, 1995–present.
  3. ^ Macmillan (US) (compare Macmillan (UK)
  4. ^ the Oxford Advanced Learner's Dictionary
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