- that cannot be measured or compared by the same standard or measure; without a common standard of comparison
- not worthy of comparison: a statement incommensurable with truth
- not being integral multiples of the same number or quantity: said of two or more numbers or quantities, as 2 and
Origin of incommensurableLate Latin incommensurabilis: see in- and commensurable
- a. Impossible to measure or compare.b. Lacking a common quality on which to make a comparison.
- Mathematics a. Having no common measure or number of which all the given lengths or measures are integral multiples.b. Having an irrational ratio.
(comparative more incommensurable, superlative most incommensurable)
- (mathematics) Of two real numbers, such that their ratio is not a fraction of two integers.
- (arithmetic) Of two integers, having no common integer divisor except 1.
- Not able to be measured by the same standards as another term in the context; see measurement; contrast with unmeasurable or immeasurable, each of which means not able to be measured at all, the former more generally, the latter generally due to some infinite quality of the thing being described
- The side and diagonal of a square are incommensurable with each other; the diameter and circumference of a circle are incommensurable.
- An incommensurable value or quantity; an irrational number.
From Middle French incommensurable, from Medieval Latin incommensurabilis.