A really fast thesaurus... with lots of synonyms.

(n) :
a part of a whole, especially a comparatively small part; a ratio of two integers, the numerator and the denominator, usually written one above the other and separated by a vinculum (horizontal bar)

(v) :
divide or break into fractions

(n) :
a part of a whole, especially a comparatively small part; a ratio of two integers, the numerator and the denominator, usually written one above the other and separated by a vinculum (horizontal bar)

(v) :
divide or break into fractions