Definitions

from the GNU version of the Collaborative International Dictionary of English.

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

from Wiktionary, Creative Commons Attribution/Share-Alike License.

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

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

  • adjective used of a single unit or thing; not two or more
  • noun 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