double-precision
  • noun
    (written as double precision)
    the use of two data words to store a number, providing greater precision
  • The use of two computer words to store a single number, providing enhanced precision, and a greater range of magnitudes which can be represented. This contrasts with single-precision, in which a single computer word is utilized. For instance, if a single-precision number requires 64 bits, a double-precision number will utilize 128 bits.

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