double precision

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double precision

[¦dəb·əl prə′sizh·ən]
(computer science)
The use of two computer words to represent a double-length number.

double precision

Using two computer words instead of one to hold a number used for calculations, thus allowing twice as large a number for more arithmetic precision. Contrast with single precision.
References in periodicals archive ?
Manufactured in PPS, the switches are compatible with a wide range of process liquids and are available in single and double float versions.