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Which of the following two constructions is correct?

  1. a 55-minute meeting
  2. a 55-minutes meeting

That is, should 'minute' be followed by 's'?

niamulbengali
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    Does this answer your question? [Shouldn't "five minute walk" be "five minutes walk" in this sentence?](https://ell.stackexchange.com/questions/14290/shouldnt-five-minute-walk-be-five-minutes-walk-in-this-sentence) – niamulbengali Jan 23 '21 at 09:16

1 Answers1

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As an adjective, it would be "a 55-minute meeting" without the "s". As a noun, "the meeting will last 55 minutes."

To put it simply, adjectives do not get pluralized, while nouns do.

Richard Winters
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    Yes, although it's probably best to call measure expressions like "55-minute" a **compound** adjective, the base is actually the singular noun, "minute", and it's this **noun** that is not by convention pluralised. – BillJ Jan 23 '21 at 10:59