Definition of “thirty” - English Dictionary

british dictionary

“thirty” in British English

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thirtynumber

uk /ˈθɜː.ti/ us /ˈθɝː.t̬i/

A2 the number 30:

twenty-nine, thirty, thirty-one
She got married when she was thirty (years old).

More examples

  • There must have been thirty to thirty-five people there.
  • Every thirty minutes or so the flight attendant would wheel the drinks trolley down the aisle.
  • He must be about sixty, whereas his wife looks about thirty.
  • The water is some twenty to thirty metres beneath the ground.
  • Linda's been in the business for thirty years - she knows what's what.

(Definition of “thirty” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“thirty” in American English

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thirtynumber

us /ˈθɜr·t̬i/

30:

There are thirty students taking this course.
a thirty-mile journey

(Definition of “thirty” from the Cambridge Academic Content Dictionary © Cambridge University Press)