a number that is not a whole number, most often a number less than one, e.g. ¾, ⅝, 0.234, that is expressed as the result of dividing one quantity into another and usu shown as one figure placed over another or a series of figures after a decimal point
a small portion, amount, or section
We had to sell the house at a fraction of its value
(a fraction) a tiny bit; a little
The cat crept a fraction closer
in chemistry, any of several portions, e.g. of a distillate, separable by fractionation
(usu the Fraction) the breaking of the bread by a priest in the Eucharist
[Middle English fraccioun via late Latin from Latin fractus, past part. of frangere to break]