# "No" as a contraction for "Number"

**URL:** <https://boards.straightdope.com/t/no-as-a-contraction-for-number/132485>\
**Category:** Factual Questions\
**Created:** [October 16, 2002, 9:36am UTC](https://boards.straightdope.com/t/no-as-a-contraction-for-number/132485 "2002-10-16T09:36:54Z")\
**Posts on this page:** 8\
**Page:** 1

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**Author:** ![amanset](https://avatars.discourse-cdn.com/v4/letter/a/8dc957/32.png) [@amanset](https://boards.straightdope.com/u/amanset)\
**Post date:** [October 16, 2002, 9:36am UTC](https://boards.straightdope.com/t/no-as-a-contraction-for-number/132485/1 "2002-10-16T09:36:54Z")

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A finnish guy at work just asked me somethign that I just cannot answer.

Why do we use “no.” as a contraction for “number”?

My guess is that it comes from Latin or another old language that english uses a lot of words from.

I’m sorry if this has been asked before, but it can be a trifle difficult to search for “no.”!

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**Author:** ![Steve\_Wright](https://avatars.discourse-cdn.com/v4/letter/s/848f3c/32.png) [@Steve\_Wright](https://boards.straightdope.com/u/Steve_Wright)\
**Post date:** [October 16, 2002, 10:23am UTC](https://boards.straightdope.com/t/no-as-a-contraction-for-number/132485/2 "2002-10-16T10:23:24Z")

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WAG - it’s short for _numero_, ablative (or dative, but most likely ablative in this context) singular form of _numerus_.

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**Author:** ![Mangetout](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/mangetout/32/19_2.png) [@Mangetout](https://boards.straightdope.com/u/Mangetout)\
**Post date:** [October 16, 2002, 10:42am UTC](https://boards.straightdope.com/t/no-as-a-contraction-for-number/132485/3 "2002-10-16T10:42:23Z")

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I think it’s from the french _Nombre_

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**Author:** ![Number](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/number/32/242_2.png) [@Number](https://boards.straightdope.com/u/Number)\
**Post date:** [October 16, 2002, 12:43pm UTC](https://boards.straightdope.com/t/no-as-a-contraction-for-number/132485/4 "2002-10-16T12:43:44Z")

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This question came up in a [thread](http://boards.straightdope.com/sdmb/showthread.php?s=&threadid=124068) back in July.

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**Author:** ![Colophon](https://avatars.discourse-cdn.com/v4/letter/c/f05b48/32.png) [@Colophon](https://boards.straightdope.com/u/Colophon)\
**Post date:** [October 16, 2002, 1:00pm UTC](https://boards.straightdope.com/t/no-as-a-contraction-for-number/132485/5 "2002-10-16T13:00:45Z")

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None of those answers (or these ones) quite hit the nail on the head, but it’s one of those questions that’s easily answered by picking up a dictionary:

> [@](#):
>
> **No.** (_pl_ **Nos.** _or_ **nos.** ) Also: **no.** number. [from French _numéro_]

From _Collins English Dictionary 21st Century Edition_. In France, they usually write it “N°”.

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**Author:** ![Floater](https://avatars.discourse-cdn.com/v4/letter/f/dc4da7/32.png) [@Floater](https://boards.straightdope.com/u/Floater)\
**Post date:** [October 16, 2002, 2:58pm UTC](https://boards.straightdope.com/t/no-as-a-contraction-for-number/132485/6 "2002-10-16T14:58:25Z")

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> [@](#):
>
> \*Originally posted by Mangetout \*  
> I think it’s from the french _Nombre_

When I read this my first thought was “it can’t be so” but I couldn’t pinpoint what was wrong (my French is rather rusty). After some thought (and a visit to [Babelfish](http://babelfish.altavista.com/tr)) the difference between **nombre** and **numéro** occured to me:

My [phone] number is … = Mon nombre est …

It’s on page number three = Il se trouve dans la page numéro trois

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<div class="post-metadata">

**Author:** ![Colophon](https://avatars.discourse-cdn.com/v4/letter/c/f05b48/32.png) [@Colophon](https://boards.straightdope.com/u/Colophon)\
**Post date:** [October 16, 2002, 3:11pm UTC](https://boards.straightdope.com/t/no-as-a-contraction-for-number/132485/7 "2002-10-16T15:11:36Z")

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Actually, I think the French use _numéro_ for phone numbers (e.g. _Vous vous avez trompé de numéro_ = You’ve got the wrong number).

I think the distinction is that you use _nombre_ to mean a general number (_Dans un petit nombre de cas_ = In a small number of cases; _Garçons et filles en nombre égal_ = Boys and girls in equal numbers)and _numéro_ to denote a specific number in a series, e.g. phone numbers, house numbers, car registration numbers etc.

But, IANA native French speaker, so don’t quote me on that…

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<div class="post-metadata">

**Author:** ![Colophon](https://avatars.discourse-cdn.com/v4/letter/c/f05b48/32.png) [@Colophon](https://boards.straightdope.com/u/Colophon)\
**Post date:** [October 16, 2002, 3:13pm UTC](https://boards.straightdope.com/t/no-as-a-contraction-for-number/132485/8 "2002-10-16T15:13:58Z")

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Hmm, thinking about it, I think it should be _Vous vous êtes trompé de numéro_, but you get the point.
