rational

English

/ˈɹæʃ(ə)nəl/

adj
Definitions
  • Capable of reasoning.
  • Logically sound; not contradictory or otherwise absurd.
  • (of a person or personal characteristics) Healthy or balanced intellectually; exhibiting reasonableness.
  • (mathematics) Of a number, capable of being expressed as the ratio of two integers.
  • (mathematics) Of an algebraic expression, capable of being expressed as the ratio of two polynomials.
  • (chemistry) Expressing the type, structure, relations, and reactions of a compound; graphic; said of formulae.
  • (physics) Expressing a physical object.

Etymology

Derived from Old French rationel derived from Latin rationalis (having a ratio, of belonging to reason, rational, reasonable).

Origin

Latin

rationalis

Gloss

having a ratio, of belonging to reason, rational, reasonable

Timeline

Distribution of cognates by language

Geogrpahic distribution of cognates

Cognates and derived terms