| 释义 |
millivolt Physics.|ˈmɪlɪvɒlt|
[f. milli- + volt.]
The thousandth part of a volt.
In quot. 1861 volt is being used for what is now called an ohm.
1861Electrician 9 Nov. 3/2 The application of the French system of notation in the table, is evidently faulty, the thousandth part of a volt being one milivolt [sic], and not one kilovolt, as stated. 1885Jrnl. Soc. Telegr. Engin. XIV. 196 Differences of potential greater than such millivolts as are concerned in thermo-electricity. 1890in Century Dict. 1971Jrnl. Gen. Psychol. LXXXIV. 11 A sensitivity of about 60 to 200 millimetres per millivolt was used for the average preparation.
Hence milliˈvoltmeter, an instrument for measuring voltages of the order of millivolts.
1907H. H. Norris Introd. Study Electr. Engin. xii. 346 The instrument..usually known as a milli-voltmeter. 1971Nature 15 Jan. 167/2 Screen leads connected the coils to a millivoltmeter arranged to read from -50 to +50. |