Definition of biquinary
: of, based on, being, or relating to a mixed-base system of numbers in which each decimal digit n is represented as a pair of digits xy where n = 5x + y and x is written in base 2 as 0 or 1 and y is written in base 5 as 0, 1, 2, 3, or 4 decimal 9 is represented by biquinary 14
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Origin and Etymology of biquinary
1bi- + quinary
First Known Use: 1871
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