1. A component of a mixture that has been separated by a fractional process
   "The distillation column separated the crude oil into various fractions"
    
2. A small part or item forming a piece of a whole
   "Only a fraction of the original manuscript survived"
    
3. The quotient of two rational numbers
   "One-half is written as the fraction 1/2"
    
4. A rational number that is not a whole number
   "Three-quarters is an example of a fraction"

1. (arithmetic) perform a division
   "The students learned to fraction numbers in their maths class";
   - divide

Derived forms: fractions, fractioning, fractioned

Type of: calculate, chemical, chemical substance, cipher, compute, cypher, figure [N. Amer], part, portion, rational, rational number, reckon, work out

Encyclopedia: Fraction, Matt