- capable of being expressed exactly by a ratio of two integers.
- (of a function) capable of being expressed exactly by a ratio of two polynomials.
Origin of rational
Synonyms for rational
Antonyms for rational
Examples from the Web for quasi-rational
Historical Examples of quasi-rational
Early ‘rationalists’ might indeed seek to put a quasi-rational form upon tradition, and to give reasons for recognising authority.Rationalism
John Mackinnon Robertson
Word Origin for rational
late 14c., "pertaining to reason;" mid-15c., "endowed with reason," from Old French racionel and directly from Latin rationalis "of or belonging to reason, reasonable," from ratio (genitive rationis) "reckoning, calculation, reason" (see ratio).