Definition of decimal fraction
: a fraction (as .25 = 25⁄100 or .025 = 25⁄1000) or mixed number (as 3.025 = 325⁄1000) in which the denominator is a power of 10 usually expressed by use of the decimal point
First Known Use of decimal fraction
Learn More about decimal fraction
Britannica.com: Encyclopedia article about "decimal fraction"
Seen and Heard
What made you want to look up decimal fraction? Please tell us where you read or heard it (including the quote, if possible).