See also: , !1, 1., l, ӏ, I, 𐑑, , and

1 U+0031, 1
DIGIT ONE
0
[U+0030]
Basic Latin 2
[U+0032]

Translingual edit

Glyph origin edit

  Tenth century “West Arabic” variation of the Nepali form of Hindu-Arabic numerals (compare Devanagari script (1, éka)), possibly influenced by Roman numeral , both ultimately from using a single stroke to represent the number one. See   1 § As a digit on WikipediaWikipedia for more.

Symbol edit

1 (previous 0, next 2)

  1. The cardinal number one, a single thing or unit.
  2. A digit in decimal and every other base numbering system, including binary, octal, and hexadecimal.
    15 × 134 = 2010
    0010 00112 (the number 35 in binary notation)
    0x1000E001 (the number 268492801 in hexadecimal notation)
  3. (mathematics) The identity element with respect to multiplication in a ring.
    a×1 = a
  4. (computer science) Bit state corresponding to binary digit 1, or on or true.
  5. (mathematics) A Boolean or truth value corresponding to true.
    f : Bk → B : B = {0, 1}
  6. (mathematics) The one-point topological space, trivial ring, trivial group, a category with a single object or a (canonical) singleton.
  7. (mathematics, set theory) indicator function of a set.
  8. (phonetics, often superscript) the pitch of a tone, either high or low depending on local convention; '1' is most commonly the highest or lowest pitch (but see 0)
    Synonyms: ˥, ˩
  9. (phonetics, Sinosphere, often superscript) tone number 1, typically identified with dark level yin ping (陰平). May simply be level ping tone () if the yin–yang distinction is not made.
    Synonym:
  10. (linguistics, superscript) accent 1 in Norwegian, Swedish and Limburgish.
    Norwegian/Swedish toneme 1 is sometimes transcribed with a simple primary stress mark, that is ˈ.

Alternative forms edit

The following forms are equivalent as a decimal digit:

The following additional forms are equivalent as a cardinal number:

Derived terms edit

See also edit

Other representations of 1:

English edit

Pronunciation edit

  • enPR: wŭn, IPA(key): /wʌn/, IPA(key): /wan/
  • (file)
  • Rhymes: -ʌn

Symbol edit

1

  1. (Should we delete(+) this sense?) The number one (1).
  2. (Internet slang, leetspeak, sarcastic) Deliberate misspelling of !, imitating someone who is too excited to consistently press the shift key while typing exclamation marks.
    Synonyms: one, eleven
    A: someone hlep me pls im always losing!!!1!
    B: Thats bcuz ur st00pid!!!!!11!!oneone!!1!!eleven!1

Noun edit

1 (plural 1s)

  1. (sports, skateboarding, snowboarding, skiing) Clipping of 180. (180° spin)

Translations edit

Chinese edit

Pronunciation edit

Noun edit

1

  1. one
  2. (gay slang) top

Synonyms edit

  • (Hong Kong Cantonese) 1仔 (jat1 zai2)

Derived terms edit

Related terms edit

  • 0 (líng)
  • 0.5 (língdiǎnwǔ)

German edit

Article edit

1

  1. (text messaging) Abbreviation of ein.

Swedish edit

 
The Nordic pharmacy chain Apotek1.

Symbol edit

1

  1. The number one (1).
    Synonyms: ett, en
  2. (Internet slang, leetspeak, sarcastic) Deliberate misspelling of !

Suffix edit

1

  1. (nonstandard suffix) -et (singular indefinite nominative; the)
    Apotek1
    The Pharmacy
    Bud1
    The Courier
  2. (nonstandard suffix) -et (neuter singular)
    Mog1 av dig.
    Very mature of you.

Derived terms edit

  • mog1 (mature) (slang)