单词 | voltage |
释义 | † voltagen.1 Obsolete. rare. The action of causing a horse to move in voltes. ΘΚΠ society > travel > transport > riding on horse (or other animal) > [noun] > art of horse-riding > move in voltes > causing horse to move in voltes voltage1606 1606 J. Ford Fames Memoriall sig. CI He assaies, Which way to manage an vntamed horse When, how, to spur, & rayn, to stop, and raise, Close sitting, voltage of a manlike force. This entry has not yet been fully updated (first published 1920; most recently modified version published online June 2021). voltagen.2 a. Electromotive force reckoned or expressed in volts. Also figurative. ΘΚΠ the mind > emotion > excitement > exciting > [noun] > quality excitancya1834 thrillingness1847 thrill1886 voltage1890 excitingnessa1910 zizz1920 sizzle1964 the world > matter > physics > electromagnetic radiation > electricity > voltage > [noun] voltage1890 1890 Pall Mall Gaz. 8 Aug. 4/3 The voltage varied between 700 and 1,300 volts. 1894 S. R. Bottone Electr. Instr. Making (ed. 6) 111 In calculating the voltage, the desired current must also be considered, and allowance made both for the internal and external resistances. 1898 T. C. Allbutt et al. Syst. Med. V. 855 It is difficult to say what voltage is fatal to man. b. attributive (esp. with adjective preceding). Also in figurative use. ΚΠ 1890 Daily News 4 Jan. 6/7 There is as much danger from the low voltage as there is from the high voltage system, as far as fire is concerned. 1894 Daily News 22 Jan. 2/8 The question of high voltage electricity. 1959 Listener 8 Oct. 590/1 Synge's brief but high-voltage career. 1966 N. Freeling King of Rainy Country 128 Her high-voltage emotions injected into the situation would doubtless tangle things still further. Compounds C1. General attributive. a. voltage doubler n. ΚΠ 1947 R. Lee Electronic Transformers & Circuits iii. 51 (heading) Voltage doublers. voltage-regulation n. ΚΠ 1956 Nature 18 Feb. 298/1 Electrical characteristics are next treated, including..descriptions of..voltage-regulation methods and apparatus. voltage regulator n. ΚΠ 1902 Encycl. Brit. XXVIII. 90/2 (heading) Voltage regulators. 1962 J. H. Simpson & R. S. Richards Physical Princ. Junction Transistors 496 We consider a voltage regulator whose input voltage..and output voltage and current..are connected by the equation [etc.]. b. voltage-doubling n. ΚΠ 1947 R. Lee Electronic Transformers & Circuits iii. 51 (caption) Relation of peak sine voltage to d-c voltage in voltage-doubling circuit. C2. voltage clamp n. Physiology (the application of) a constant voltage maintained across a cell membrane by artificial means. ΘΚΠ the world > life > biology > laboratory analysis > processes > [noun] > treatment with electricity voltage clamp1952 zone electrophoresis1952 voltage-clamping1981 1952 Jrnl. Physiol. 117 504 (heading) Mathematical description of membrane current during a voltage clamp. 1964 G. H. Haggis et al. Introd. Molecular Biol. vi. 159 These ionic permeability changes associated with the action potential have been studied in squid axons and frog muscle cells..with the very elegant ‘voltage clamp’ technique. voltage-clamped adj. ΘΚΠ the world > life > biology > laboratory analysis > processes > [adjective] > treatment with electricity voltage-clamped1979 1979 Acta Protozoologica XVIII. 183 Instantaneous I/V plots of voltage-clamped deciliated cells lack the negative resistance property characteristic of ciliated cells. voltage-clamping n. ΘΚΠ the world > life > biology > laboratory analysis > processes > [noun] > treatment with electricity voltage clamp1952 zone electrophoresis1952 voltage-clamping1981 1981 Nature 15 Oct. 517 Although the principle is simple enough—to keep the voltage across a cell membrane constant—the technology of voltage-clamping has become a sophisticated exercise in electrical engineering. voltage-controlled adj. controllable by varying the applied voltage. ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > [adjective] > controlled by voltage voltage-controlled1962 1962 J. H. Simpson & R. S. Richards Physical Princ. Junction Transistors xiv. 359 External methods of gain control usually employ auxiliary diodes..to act as a voltage-controlled potential divider. 1976 Electronic Engin. Nov. 27/1 It [sc. a waveform generator circuit] can be used..in many other applications where a voltage controlled waveform is required. voltage divider n. a linear resistor or series of resistors which can be tapped at any intermediate point to obtain a voltage equal to a desired fraction of the voltage applied between its ends. ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > [noun] > resistor high-frequency resistance1892 decade1911 voltage divider1930 bleeder resistance or resistor1935 resistor1947 1930 Sci. Abstr. B. 33 Index 846 Voltage dividers, capacity and resistance types. 1932 Bureau of Standards Jrnl. Res. (U.S.) 9 81 (heading) Theory of voltage dividers and their use with cathode ray oscillographs. 1983 IEEE Trans. Instrumentation & Measurement XXXII. 33/2 The attenuation reference standard in this system is a high class..inductive voltage divider. This entry has not yet been fully updated (first published 1920; most recently modified version published online December 2021). < |
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