subrationaladj.

Brit.

/ˌsʌbˈraʃn̩(ə)l/,

/ˌsʌbˈraʃən(ə)l/, U.S.

/ˌsəbˈræʃ(ə)nəl/

Origin: Formed within English, by derivation. Etymons: sub- prefix, rational adj.

Etymology: < sub- prefix + rational adj.

a. Less than rational; without the faculty of reasoning.

ΘΚΠ

the mind > mental capacity > lack of understanding > lack of reason, irrationality > [adjective] > below reason

subrational1865

infra-rational1933

1865 Daily Tel. 27 Nov. 2/3 The readiness..of a Tory, even of the sub-rational species, to entertain the question of Reform.

1896 Expositor Sept. 214 [Man is] incomparable with ‘birds and four-footed beasts’, and..with the entire subrational universe.

1912 J. J. Walsh Psychotherapy ii. 142 Very often a distinct delusion may be reasoned out of even a subrational person, if it is taken seriously.

1977 W. K. Muir Police iii. 150/1 The individual, at bottom, is an irrational or subrational creature.

2005 J. Franklin Animal Rights & Moral Philos. 116 Animal souls were subrational and could not be redeemed.

b. Existing or occurring below the level of the rational.

ΚΠ

1883 Our Corner 1 Nov. 276 The bond of union is military and sub-rational, apart from the perception..of the advantages of unity of laws.

1905 Psychol. Rev. 12 192 Its [sc. suggestion's] special field of operation is sub-rational consciousness.

1975 J. Bowden tr. A. Grillmeier Christ in Christian Trad. (ed. 2) I. i. §ii. iv. 420 The sub-rational activity of the emotions and the senses.

2001 D. Spiotta Lightning Field 180 She knew then she would become a lightning rod for a subrational guilt.

†2. Mathematics. Of a function y of a variable x: such that, where Y and X are rational functions of y and x respectively, Y is determined to be a function of x by an equation of the form Y = X. Obsolete. rare.

ΘΚΠ

the world > relative properties > number > algebra > [adjective] > relating to expressions > relating to functions

generating1671

exponential1704

discontinuous1803

functional1806

odd1812

periodic1820

syzygetic1850

convex1858

graphometric1865

polycyclic1869

subrational1875

synectic1876

variational1879

polyhedral1881

holomorphic1886

tropical1887

Gudermannian1888

monogeneous1888

monotonous1890

oscillating1893

monotonic1901

monotone1903

orthogonalized1909

schlicht1925

concave1942

deconvolved1974

unate1978

1875 A. Cayley in Proc. London Math. Soc. 6 82 The expression ‘subrational’ includes irrational, but it is more extensive; if Y, X are rational functions, the same or different, of y, x respectively, and Y is determined as a function of x by an equation of the form Y = X, then y is a subrational function of x.

This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022).

单词	subrational
释义	subrationaladj. Brit. /ˌsʌbˈraʃn̩(ə)l/, /ˌsʌbˈraʃən(ə)l/, U.S. /ˌsəbˈræʃ(ə)nəl/ Origin: Formed within English, by derivation. Etymons: sub- prefix, rational adj. Etymology: < sub- prefix + rational adj. 1. a. Less than rational; without the faculty of reasoning. ΘΚΠ the mind > mental capacity > lack of understanding > lack of reason, irrationality > [adjective] > below reason subrational1865 infra-rational1933 1865 Daily Tel. 27 Nov. 2/3 The readiness..of a Tory, even of the sub-rational species, to entertain the question of Reform. 1896 Expositor Sept. 214 [Man is] incomparable with ‘birds and four-footed beasts’, and..with the entire subrational universe. 1912 J. J. Walsh Psychotherapy ii. 142 Very often a distinct delusion may be reasoned out of even a subrational person, if it is taken seriously. 1977 W. K. Muir Police iii. 150/1 The individual, at bottom, is an irrational or subrational creature. 2005 J. Franklin Animal Rights & Moral Philos. 116 Animal souls were subrational and could not be redeemed. b. Existing or occurring below the level of the rational. ΚΠ 1883 Our Corner 1 Nov. 276 The bond of union is military and sub-rational, apart from the perception..of the advantages of unity of laws. 1905 Psychol. Rev. 12 192 Its [sc. suggestion's] special field of operation is sub-rational consciousness. 1975 J. Bowden tr. A. Grillmeier Christ in Christian Trad. (ed. 2) I. i. §ii. iv. 420 The sub-rational activity of the emotions and the senses. 2001 D. Spiotta Lightning Field 180 She knew then she would become a lightning rod for a subrational guilt. †2. Mathematics. Of a function y of a variable x: such that, where Y and X are rational functions of y and x respectively, Y is determined to be a function of x by an equation of the form Y = X. Obsolete. rare. ΘΚΠ the world > relative properties > number > algebra > [adjective] > relating to expressions > relating to functions generating1671 exponential1704 discontinuous1803 functional1806 odd1812 periodic1820 syzygetic1850 convex1858 graphometric1865 polycyclic1869 subrational1875 synectic1876 variational1879 polyhedral1881 holomorphic1886 tropical1887 Gudermannian1888 monogeneous1888 monotonous1890 oscillating1893 monotonic1901 monotone1903 orthogonalized1909 schlicht1925 concave1942 deconvolved1974 unate1978 1875 A. Cayley in Proc. London Math. Soc. 6 82 The expression ‘subrational’ includes irrational, but it is more extensive; if Y, X are rational functions, the same or different, of y, x respectively, and Y is determined as a function of x by an equation of the form Y = X, then y is a subrational function of x. This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022). < adj.1865
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