单词 | galvanic electricity |
释义 | > as lemmasgalvanic electricity b. With distinguishing adjective denoting (a) the source or mode of production, as frictional electricity, galvanic electricity, etc.; (b) the place where it arises, as animal electricity, atmospheric electricity, etc.; (c) the quality or kind, as free electricity, negative electricity, etc. ΚΠ 1734 tr. C. F. de C. Du Fay in Philos. Trans. 1733–4 (Royal Soc.) 38 264 A Body of the vitreous Electricity [Fr. l'électricité vitrée], for Example, repels all such as are of the same Electricity; and..attracts all those of the resinous Electricity. 1754 B. Franklin New Exper. & Observ. Electr. 123 I have reported in this and former papers relating to positive and negative electricity. 1765 Ann. Reg. 1764 90/2 (heading) A letter in the Dutch Philosophical Transactions, on the animal electricity of the conger-eel. 1776 tr. G. Beccaria Treat. Artific. Electr. iv. iv. 297 Its use was to fix one of the extremities of the long iron wire with which they used..to observe the state of the atmospheric electricity. 1800 Philos. Mag. 7 337 Mr. Carlisle had been making some experiments which were likely to lead to some important discovery in Galvanic electricity. 1832 Nat. Philos. (Libr. Useful Knowl.) II. Galvanism. iv. §30. 12 The circulation of voltaic electricity produces an elevation of temperature. 1860 R. W. Emerson Wealth in Conduct of Life 102 The genius of reading and of gardening are antagonistic, like resinous and vitreous electricity. 1936 W. Seifriz Protoplasm xviii. 334 The experiment of Galvani on muscle contraction was the first in electrophysiology and among the first in dynamic, or galvanic, electricity. 1966 R. Webster Pract. Gemmol. (ed. 4) xviii. 179 Amber... It exhibits negative frictional electricity, that is it will pick up small pieces of tissue paper after being rubbed briskly on a cloth. 2002 F. Close et al. Particle Odyssey ii. 31 He soon abandoned the experiments with his ‘cloud chamber’, and turned instead to work on atmospheric electricity. galvanic electricity a. Of, pertaining to, or produced by galvinism. galvanic battery, an apparatus constructed for the production of galvanic electricity. galvanic belt, a belt containing a galvanic apparatus to be worn round the body for therapeutic purposes. galvanic electricity = galvanism n. galvanic pile, a ‘pile’ (see quot. 18021) for the production of galvanic electricity. galvanic skin response (or reflex), the rapid variation in the electrical conductivity of the skin as a measure of the effect of an emotional stimulus on autonomic activity. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > galvanism, voltaism > [adjective] galvanic1797 galvanistical1816 voltaic1820 1797 Monthly Mag. 3 348 The acrid humour which the Galvanic irritation would produce. 1801 Philos. Mag. 10 93 He [sc. Cruickshank] employs a galvanic battery of his own invention. 1802 Med. & Physical Jrnl. 8 524 The Galvanic pile of Volta..consisted of thirty pieces of silver, and as many of zinc..with pieces of cloth that were dipped in a saturated solution of common salt. 1802 Med. & Physical Jrnl. 8 553 The Galvanic belt is an electrical apparatus, constantly in action as long as it is worn. 1803 C. Lamb Let. 16 July in Lett. C. & M. A. Lamb (1976) II. 120 Tis a gentle ghost, and in this Galvanic age it may have a chance. 1856 R. W. Emerson Eng. Traits iv. 58 Perhaps the ocean serves as a galvanic battery to distribute acids at one pole, and alkalies at the other. 1869 W. P. Mackay Grace & Truth (1875) 238 The movements in Christian service of an unconverted man are the galvanic movements of a corpse. 1927 C. W. Darrow in Jrnl. Exper. Psychol. 10 197 Employing the term galvanic skin reflex (galvanische Hautreflex) because it is less misleading than the term psychogalvanic reflex. 1962 Listener 19 Apr. 691/2 With special instruments you can measure electrical changes in the skin when a person is emotionally upset or aroused, changes which we call the galvanic skin response, and which are made use of in the so-called ‘lie detector’. < as lemmas |
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