## incommensurable

in·com·men·su·ra·bleUse **incommensurable** in a sentence

- 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 incommensurable

Late Latin*incommensurabilis*: see in- and amp; commensurable

an incommensurable thing, quantity, etc.

## incommensurable

adjective

**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.

noun

One that is incommensurable.

*Related Forms:*

**in′com·men′su·ra·bil′i·ty**noun

**in′com·men′su·ra·bly**adverb

## incommensurable

Adjective

(*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.*

Noun

(*plural* incommensurables)

- An incommensurable value or quantity; an irrational number.

Origin

From Middle French *incommensurable*, from Medieval Latin *incommensurabilis*.