Main definitions of N in English

: N1N2N3

N1

  • 1Name.

  • 2[in combination] (in units of measurement) nano- (10⁹)

    ‘the plates were coated with 500 ng of protein in sodium carbonate buffer’
  • 3Born.

  • 4Nephew.

  • 5Net.

  • 6Grammar
    Neuter.

  • 7New.

  • 8Nominative.

  • 9Noon.

  • 10Chemistry
    [in combination] Normal (denoting straight-chain hydrocarbons)

    ‘n-hexane’
  • 11North or northern.

  • 12Note (used in a book's index to refer to a footnote)

    ‘450n’
  • 13Finance
    Note.

  • 14Grammar
    Noun.

  • 15Number.

  • An unspecified or variable number.

    ‘at the limit where n equals infinity’
    See also nth

Main definitions of N in English

: N1N2N3

N2

(also N)

noun

  • 1The fourteenth letter of the alphabet.

    See also en
    1. 1.1Denoting the next after M in a set of items, categories, etc.

Main definitions of N in English

: N1N2N3

N3

  • 1(used in recording moves in chess) knight.

    ‘17.Na4?’
  • 2Nationalist.

  • 3(on a gear lever) neutral.

  • 4(chiefly in place names) New.

    ‘N Zealand’
  • 5Physics
    Newton(s)

  • 6Noon.

  • 7Chemistry
    (with reference to solutions) normal.

    ‘the pH was adjusted to 7.0 with 1 N HCl’
  • 8Norse.

  • 9North or Northern.

    ‘78° N’
    ‘N Ireland’
  • 10Finance
    Note.

  • 11Nuclear.

    ‘the N bomb’

  • The chemical element nitrogen.