Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The cardinal number one, a single thing or unit.
  • n. A digit in decimal and every other base numbering system, including binary, octal, and hexadecimal.
  • n. The identity element with respect to multiplication in a ring.
  • n. Bit state corresponding to binary digit 1, or on or true.
  • n. A Boolean or truth value corresponding to true.
  • n. 1.
  • n. Deliberate misspelling of !, imitating noobs who forget to hold down the shift key while typing exclamation marks.

from the GNU version of the Collaborative International Dictionary of English

  • adj. used of a single unit or thing; not two or more; -- representing the number one as an Arabic numeral.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. used of a single unit or thing; not two or more
  • n. the smallest whole number or a numeral representing this number

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Tenth century “West Arabic” variation of the Nepali form of Hindu-Arabic numerals (compare Devanagari script  (1, "éka")), possibly influenced by Roman numeral .

Examples

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Comments

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  • "One is the loneliest number...."

    November 14, 2008