noun frac·tion \ˈfrak-shən\

mathematics : a number (such as 1/2 or 3/4) which indicates that one number is being divided by another; also : a number (such as 3.323) that consists of a whole number and a decimal

: a part or amount of something

Full Definition of FRACTION

a :  a numerical representation (as 34, 58, or 3.234) indicating the quotient of two numbers
b (1) :  a piece broken off :  fragment
(2) :  a discrete unit :  portion
:  one of several portions (as of a distillate) separable by fractionation
:  bit, little <a fraction closer>

Examples of FRACTION

  1. a fraction of an inch
  2. <if even a tiny fraction of that cookie broke off and fell into the delicate watch works, it could mess things up>

Origin of FRACTION

Middle English fraccioun, from Late Latin fraction-, fractio act of breaking, from Latin frangere to break — more at break
First Known Use: 14th century

Other Mathematics and Statistics Terms

abscissa, denominator, divisor, equilateral, exponent, hypotenuse, logarithm, oblique, radii, rhomb

Rhymes with FRACTION


noun frac·tion \ˈfrak-shən\   (Medical Dictionary)

Medical Definition of FRACTION

:  one of several portions (as of a distillate) separable by fractionation <gamma globulin is a fraction of blood plasma>


Next Word in the Dictionary: fractionalPrevious Word in the Dictionary: fractedAll Words Near: fraction
February 28, 2015
pontificate Hear it
To speak pompously or dogmatically
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears