- 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 pre-rational
Historical Examples of pre-rational
We must return, however, for a few paragraphs to the general consideration of what may be called our pre-rational beliefs.
The catalogue of pre-rational beliefs or impulses to believe, is considerable, and might easily be enlarged.
To put our viewpoint somewhat differently, language is primarily a pre-rational function.Language
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).