Definitions for Irrationalɪˈræʃ ə nl
This page provides all possible meanings and translations of the word Irrational
Random House Webster's College Dictionary
ir•ra•tion•alɪˈræʃ ə nl(adj.)
lacking the faculty of reason; deprived of reason.
lacking sound judgment or logic:
not controlled or governed by reason:
(of a number) not capable of being expressed exactly as a ratio of two integers. (of a function) not capable of being expressed exactly as a ratio of two polynomials. (of an equation) having an unknown under a radical sign or, alternately, with a fractional exponent.
of or pertaining to a syllable in Greek or Latin prosody whose quantity does not fit the meter.
Ref: irrational number.
Origin of irrational:
1425–75; late ME < L
irrational number, irrational(adj)
a real number that cannot be expressed as a rational number
not consistent with or using reason
"irrational fears"; "irrational animals"
real but not expressible as the quotient of two integers
A real number that can not be expressed as the quotient of two integers, an irrational number.
Not rational; unfounded or nonsensical.
an irrational decision
Of a real number, that cannot be written as the ratio of two integers.
The number uE0009599uE001 is irrational.
Origin: From irrationalis, from ir- + rationalis.
not rational; void of reason or understanding; as, brutes are irrational animals
not according to reason; absurd; foolish
not capable of being exactly expressed by an integral number, or by a vulgar fraction; surd; -- said especially of roots. See Surd
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