decimal fraction

noun Arithmetic.

a fraction whose denominator is some power of 10, usually indicated by a dot (decimal point or point) written before the numerator: as 0.4 = 4/10; 0.126 = 126/1000.
Compare common fraction, nonterminating decimal, terminating decimal.

Origin of decimal fraction

First recorded in 1650–60

Words nearby decimal fraction

decilitre, decillion, decimal, decimal classification, decimal currency, decimal fraction, decimal notation, decimal place, decimal point, decimal system, decimalize

British Dictionary definitions for decimal fraction

decimal fraction

noun

another name for decimal (def. 1)

Scientific definitions for decimal fraction

decimal fraction

A decimal having no digits to the left of the decimal point except zero, such as 0.2 or 0.00354.