单词 | all-or-none |
释义 | all-or-noneadj. 1. Having no middle position or compromise available; occurring either fully or not at all; not admitting of or amenable to modification according to degree or intensity. Cf. all-or-nothing adj. 2. ΘΚΠ the world > time > change > absence of change, changelessness > [adjective] fasteOE inunvariable1535 uniform1559 changeless1575 unvariant1582 wasteless1589 unchanging1595 inherent1601 unselfchanging1605 shiftless1606 ne'er-changinga1616 waxlessa1618 immutable1621 equal1626 irreducible1633 indiminishable1641 imprevaricable1644 Median1649 undiminishable1653 assiduous1661 unvarying1690 unfluctuating1723 unrelapsing1740 stable1742 unarbitrary1793 untransferable1794 unaltering1813 constant1817 all-or-nothing1853 all-or-none1864 reducelessc1864 unaugmentable1868 invariant1874 inadaptive1886 plateaued1899 steady state1909 hardcore1951 homoeostatic1955 monochromatic1959 1864 Westm. Rev. Apr. 256/1 We ought not to undervalue the candour which leads Dr. Hannah openly to reject the ‘all or none’ and ‘every jot and tittle’ theories of Inspiration. 1886 Unity & University (Chicago) 4 Sept. 4/2 This ‘all-or-none’ theory of the Bible has had its day. 1934 J. S. Huxley in Discovery June 165/1 The mechanism of repression is an all-or-none mechanism. 1940 W. H. Auden Another Time 70 Are her fond responses All-or-none reactions? 1968 Brit. Jrnl. Psychiatry 114 798/1 The latter tended to be interpreted in ‘all or none’ terms, some workers attributing all forms of mental disorder in old age to cerebral degenerative change, others regarding such disorders as unrelated to degeneration. 1992 Mind 101 2 We sometimes think about belief as an all-or-none affair, and sometimes as essentially a matter of degree. 2009 J. P. Wincze Enhancing Sexuality ii. 22 Most of the time, women in lesbian partnerships do not hold an all-or-none view of sex. 2. Physiology. (Of a physiological process, esp. muscle contraction or nerve conduction) occurring either to the fullest extent or not at all; designating this principle of action; = all-or-nothing adj. 3. ΘΚΠ the world > life > biology > biological processes > stimulation > [adjective] > qualities of response all-or-nothing1897 all-or-none1900 phasic1906 quantal1933 1900 J. S. Burdon-Sanderson in E. A. Sharpey-Schafer Text-bk. Physiol. II. 449 The characteristic relation of response to stimulus known as the ‘all or none’ principle, according to which the vigour of the response evoked by a stimulus adequate to produce an effect, is independent of the strength of the stimulus. 1932 J. S. Huxley Probl. Relative Growth vi. iv. 178 The ‘all-or-none’ law of the action of the sex-hormones on comb-growth. 1974 V. B. Mountcastle et al. Med. Physiol. (ed. 13) I. xxviii. 725/2 Each Purkinje cell receives a potent, all-or-none excitatory connection from a single climbing fiber. 2003 J. R. Cooper et al. Biochem. Basis Neuropharmacol. (ed. 8) ii. 18 The threshold level for an all-or-none action potential is also inversely proportional to the diameter of the axon. This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021). < adj.1864 |
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