rational

/ˈɹæʃ(ə)nəl/

noun

1
A rational number: a number that can be expressed as the quotient of two integers.
“The quotient of two rationals is again a rational.”

1
Capable of reasoning.
“Man is a rational creature.”
2
Logically sound; not contradictory or otherwise absurd.
“His statements were quite rational.”
3
(of a person or personal characteristics) Healthy or balanced intellectually; exhibiting reasonableness.
“rational conduct”
4
Of a number, capable of being expressed as the ratio of two integers.
“¾ is a rational number, but √2 is an irrational number.”
5
Of an algebraic expression, capable of being expressed as the ratio of two polynomials.
6
Expressing the type, structure, relations, and reactions of a compound; graphic; said of formulae.
7
Expressing a physical object.
“A rational table is physical, a written table is neither.”

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