rational

A rational number: a number that can be expressed as the quotient of two integers.

“The quotient of two rationals is again a rational.”

Capable of reasoning.

“Man is a rational creature.”

Logically sound; not contradictory or otherwise absurd.

“His statements were quite rational.”

(of a person or personal characteristics) Healthy or balanced intellectually; exhibiting reasonableness.

“rational conduct”

Of a number, capable of being expressed as the ratio of two integers.

“¾ is a rational number, but √2 is an irrational number.”

Of an algebraic expression, capable of being expressed as the ratio of two polynomials.

Expressing the type, structure, relations, and reactions of a compound; graphic; said of formulae.

Expressing a physical object.

“A rational table is physical, a written table is neither.”

The breastplate worn by Israelite high priests.