kilovoltn.
/ˈkɪlə(ʊ)vəʊlt/, U.S. /ˈkɪləˌvoʊlt/, /ˈkiləˌvoʊlt/ One thousand volts. In quot. 1861 the sense is ‘a milliohm’.
ΘΚΠ
the world > matter > physics > electromagnetic radiation > electricity > voltage > electrical potential > [noun] > unit of electromotive force > measurements
kilovolt1861
millivolt1861
megavolt1868
volt1873
kilovolt-ampere1909
mV1926
kilovoltage1933
MV1937
TeV1956
tera-electron-volt1974
1861 Electrician 9 Nov. 3/2 1 Farad per second = 1 Volt, or unit of resistance. 1/1000 Volt = 1 Kilovolt.
1905 Nature 7 Dec. 142/1 The disruptive voltage is V kilovolts.
1927 Glasgow Herald 8 Dec. 13 Kilovolt transformers.
1938 R. W. Lawson tr. G. von Hevesy & F. A. Paneth Man. Radioactivity (ed. 2) v. 65 The hardest characteristic radiation known, viz. the K-radiation of uranium, has a wavelength of 101 X.U. and requires an excitation potential of 115 kilovolts.
1948 Sci. News 7 103 The thickness of metal which can be penetrated is directly related to the kilovoltage of the X-ray set, and a modern portable industrial unit employing 400 kilovolts will penetrate up to 5 inches of steel.
1973 Sci. Amer. Nov. 133/1 Bigger sizes are foreseen, but 10 kilovolts at low current is not attractive.
Compounds
attributive and in other combinations.
kilovolt-ampere n. a unit of apparent electric power, used when an alternating current is not in phase with the voltage, equal to the product of an r.m.s. voltage of 1000 volts and an r.m.s. current of 1 amp.
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the world > matter > physics > electromagnetic radiation > electricity > electric current > [noun] > unit of measurement
ampere1881
amp1882
milliampere1885
kilampere1892
mA1896
kVA1905
kilovolt-ampere1909
microamp1923
milliamp1923
abampere1930
the world > matter > physics > electromagnetic radiation > electricity > voltage > electrical potential > [noun] > unit of electromotive force > measurements
kilovolt1861
millivolt1861
megavolt1868
volt1873
kilovolt-ampere1909
mV1926
kilovoltage1933
MV1937
TeV1956
tera-electron-volt1974
1909 Cent. Dict. Suppl. Kilovolt-ampere.
1933 K. Edgcumbe & F. E. J. Ockenden Industr. Electr. Measuring Instruments xxii. 443 These quantities..are directly proportional to the kilo-watts and the reactive kilo-volt-amperes, respectively.
1950 Engineering 6 Oct. 281/3 Automatic control is provided to enable either the power factor or the reactive kilovolt-amperes to be maintained constant.
kilovoltmeter n. a voltmeter for measuring thousands of volts.
ΘΚΠ
the world > matter > physics > electromagnetic radiation > electricity > voltage > electrical potential > [noun] > unit of electromotive force > instrument measuring
voltmeter1882
millivoltmeter1907
multimeter1907
kilovoltmeter1923
peak voltmeter1924
1923 R. Knox Radiogr. & Radio-therapeutics (ed. 4) I. i. 45 The kilovoltmeter for measuring the high-tension current.
1971 B. E. Stern & D. Lewis X-rays xiii. 232 The kilovoltmeter is connected across the primary of the high-voltage transformer.
Derivatives
ˈkilovoltage n. voltage expressed in, or of the order of, thousands of volts.
ΘΚΠ
the world > matter > physics > electromagnetic radiation > electricity > voltage > electrical potential > [noun] > unit of electromotive force > measurements
kilovolt1861
millivolt1861
megavolt1868
volt1873
kilovolt-ampere1909
mV1926
kilovoltage1933
MV1937
TeV1956
tera-electron-volt1974
1933 Proc. Royal Soc. 1932–3 B. 112 366 A kilovoltage of 78 was used..to ensure the production of the characteristic K radiation of tungsten.
1948 [see main sense]. 1971 B. E. Stern & D. Lewis X-rays xiii. 233 The quality and quantity of x-ray output for a tube are..not described uniquely in terms of the kilovoltage and milliampere meter readings.
This entry has not yet been fully updated (first published 1976; most recently modified version published online March 2022).
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n.1861