Weber–Fechnern.

Brit.

/ˌveɪbəˈfɛxnə/, U.S.

/ˌveɪbərˈfɛknər/

Origin: From proper names. Etymons: proper names Weber, Fechner.

Etymology: < the name of Ernst Heinrich Weber (see Weber n.¹) + the name of Gustav Theodor Fechner (see Fechner n.). Compare earlier Weber n.¹With Weber–Fechner law compare German Weber-Fechnersches Gesetz (1877).

Psychology.

attributive, usually in Weber–Fechner law. Designating a law stating that the smallest perceptible increase in a stimulus is a constant proportion of the initial stimulus (also called Weber's law); (also) designating a law stating that the strength of a sensation is a logarithmic function of the strength of the stimulus (also called Fechner's law). Also: relating to either of these laws, as Weber–Fechner relation. Cf. Weber n.¹, Fechner n.

ΘΚΠ

the world > life > biology > biological processes > stimulation > [noun] > Weber's law or ratio

Weber's law1864

Weber–Fechner law1891

1891 A. D. Waller Introd. Human Physiol. xv. 536 (heading) The Weber-Fechner law.

1917 Amer. Jrnl. Psychol. 28 586 It appears that the Weber–Fechner Law holds more closely for the four heavier piles.

1968 R. Passmore & J. S. Robson Compan. Med. Stud. I. xxiv. 30/2 To increase the loudness by steps that seem equal to the listener the intensity of sound must be multiplied by approximately the same factor for each step (Weber-Fechner relation).

2015 tr. J. Weimann et al. Measuring Happiness vii. 104 If the Weber-Fechner Law also applies to the relationship between income and life satisfaction, a logarithmic curve should be detectable.

This entry has been updated (OED Third Edition, June 2017; most recently modified version published online December 2021).

单词	weber–fechner
释义	Weber–Fechnern. Brit. /ˌveɪbəˈfɛxnə/, U.S. /ˌveɪbərˈfɛknər/ Origin: From proper names. Etymons: proper names Weber, Fechner. Etymology: < the name of Ernst Heinrich Weber (see Weber n.¹) + the name of Gustav Theodor Fechner (see Fechner n.). Compare earlier Weber n.¹With Weber–Fechner law compare German Weber-Fechnersches Gesetz (1877). Psychology. attributive, usually in Weber–Fechner law. Designating a law stating that the smallest perceptible increase in a stimulus is a constant proportion of the initial stimulus (also called Weber's law); (also) designating a law stating that the strength of a sensation is a logarithmic function of the strength of the stimulus (also called Fechner's law). Also: relating to either of these laws, as Weber–Fechner relation. Cf. Weber n.¹, Fechner n. ΘΚΠ the world > life > biology > biological processes > stimulation > [noun] > Weber's law or ratio Weber's law1864 Weber–Fechner law1891 1891 A. D. Waller Introd. Human Physiol. xv. 536 (heading) The Weber-Fechner law. 1917 Amer. Jrnl. Psychol. 28 586 It appears that the Weber–Fechner Law holds more closely for the four heavier piles. 1968 R. Passmore & J. S. Robson Compan. Med. Stud. I. xxiv. 30/2 To increase the loudness by steps that seem equal to the listener the intensity of sound must be multiplied by approximately the same factor for each step (Weber-Fechner relation). 2015 tr. J. Weimann et al. Measuring Happiness vii. 104 If the Weber-Fechner Law also applies to the relationship between income and life satisfaction, a logarithmic curve should be detectable. This entry has been updated (OED Third Edition, June 2017; most recently modified version published online December 2021). < n.1891
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