2

2 (prev 1, next 3)

1. The cardinal number two.
2. A digit in the decimal system of numbering, as well as octal, and hexadecimal.
3. A rotational symmetry element in the Hermann-Mauguin notation, indicating a rotation over π (twofold axis).
4. (mathematics) The two-element Boolean algebra, two-point discrete space or a (canonical) two-element set.
5. (superscript) The square of a number or a unit.

   m² stands for square meter.

   n² is usually pronounced as "n squared".

The following forms are equivalent as a decimal digit:

The following additional forms are equivalent as a cardinal number:

• 2nd

• 2 (number) in Wikipedia
• (Arabic digits): 0 1 2 3 4 5 6 7 8 9

Other representations of 2:

• (too, two): IPA^(key): /tuː/
• (to): IPA^(key): /tuː/ (stressed), IPA^(key): /tə/, /tʊ/ (unstressed)

• Audio (US)

  (file)

• Homophones: to, too, two
• Rhymes: -uː

2

1. (text messaging, informal) Abbreviation of to.

   I have 2 go now. / Send files 2 him.

2. (computing) Abbreviation of to; designating conversion from one format to another

   pdf2txt, i.e. conversion from PDF to plain text

• 4
• 8

2 (not comparable)

1. (text messaging, informal, eye dialect) Abbreviation of too.

   Can I come 2?

2 (comparative more 2, superlative most 2)

1. Alternative form of 2S; Abbreviation of two-spirited.

2 (plural 2s)

1. Alternative form of 2S; Abbreviation of two-spirit.

• IPA^(key): /dø/

• Audio

  (file)

2

1. (text messaging) Alternative form of de

• “2”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.

• ²

2

1. (dated or informal) An iteration mark used as an abbreviation for the second part of a reduplicated compound word.

• ²

2

1. An iteration mark used as an abbreviation for the second part of a reduplicated compound word.

• ²

2

1. An iteration mark used as an abbreviation for the second part of a reduplicated compound word.