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3 definitions found
 for 1
From The Collaborative International Dictionary of English v.0.48 :

  1 \1\ adj.
     1. used of a single unit or thing; not two or more; --
        representing the number one as an Arabic numeral.
     Syn: one, i, ane
          [WordNet 1.5 +PJC]

From WordNet (r) 3.0 (2006) :

      adj 1: used of a single unit or thing; not two or more; "`ane'
             is Scottish" [syn: one, 1, i, ane]
      n 1: the smallest whole number or a numeral representing this
           number; "he has the one but will need a two and three to go
           with it"; "they had lunch at one" [syn: one, 1, I,
           ace, single, unity]

From The Free On-line Dictionary of Computing (30 December 2018) :

      The lowest positive integer and the basis for
     counting.  Multiplication by one is an identity operator and,
     since one is its own reciprocal, so is division by one.  One is
     the result of dividing any non-zero number by itself.  One raised
     to any power is one and raising to the power one is also an
     identity operator.
      The largest digit in binary, related to the value true
     in Boolean algebra.  Digital computers typically represent one
     by a high voltage and zero by a low voltage.

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