No.

See also: Appendix:Variations of "no"

English

Alternative forms

• №, Nº, Nº.
• No, no., no

Etymology

Borrowing of the Latin scribal abbreviation No. from (in) numerō (“in number, to the number of”). Cognate with French n^o.

Pronunciation

• Audio (US); “number”:

  (file)

Adverb

No. (not comparable)

1. (archaic) Abbreviation of in number or to the number of.
   • 1661, Robert Lovell, A Compleat History of Animals and Minerals, page 129:

     They goe two months, & then bring forth a blind off-spring like bitches, n^o. eight or nine.

   • 1693, Steven Blankaart, A Physical Dictionary, 2nd edition, page 146:

     Take of Jujubes N^o vi. that is, Six in number.

   • 1994, Dorland's Medical Dictionary, 28th edition, page 1141:

     No., abbreviation of L. numero, ‘to the number of’.

Noun

No. (plural Nos.)

1. Abbreviation of number.
   • 1753, A Supplement to Mr Chambers's Cyclopaedia, s.v. "Otis":

     See Tab. of Birds, N^o 28.

   • 1840 February 4, Charles Dickens, letter:

     I am curious to see how the idea of the first No. of my projected work, strikes you.

   • 1974, Michael Gilbert, Flash Point, page 14:

     It's No. 276 Coalporter Street.

   The king made a gift of No. 10 to his old Eton roommate.

Usage notes

This is the customary abbreviation for number used in case citations.

Synonyms

• #
• №

Translations

abbreviation of "number"

• Afrikaans: nr. (af) (nommer)
• Asturian: nᵘ m
• Catalan: núm. (ca) m
• Chinese:

  Mandarin: 號／号 (zh) (hào)

• Czech: č. (cs)
• Danish: nr.
• Dutch: nr (nl), nº
• Finnish: nro (fi)
• French: nº (fr)
• Georgian: არა (ara)
• German: Nr. (de)
• Greek: αρ. (ar.)
• Hebrew: מס׳ m (mis.)
• Hindi: नं. (nã.), नं॰ (nã.)
• Hungarian: sz. (hu)
• Interlingua: nº
• Italian: nº, n., n.ro, N
• Japanese: No. (nanbā), № (ja) (nanbā)
• Latvian: nr.
• Lithuanian: nr.
• Malay: no., bil.
• Norwegian: nr, nº
• Polish: nr (abbr. of numer)
• Portuguese: nº (pt)
• Russian: № (ru) (abbr. of но́мер (ru) m (nómer))
• Scottish Gaelic: àir.
• Slovak: č. (sk)
• Slovene: št.
• Sotho: no. (nomora)
• Spanish: n.º (es) m, núm. m
• Swedish: nr (sv)
• Tagalog: blg., no.
• Yiddish: נו׳ m (nu')

References

• “No., adv.³ and n.².”, in OED Online ⁠, Oxford: Oxford University Press, 2003.
• The Bluebook, 19th ed. (2010), "Case Names and Institutional Authors in Citations", Table T6, pp. 430-431.

Anagrams

• -on, ON, ON., on, on-