milliamperen.

Brit.

/ˌmɪlɪˈampɛː/, U.S.

/ˌmɪliˈæmˌpɪ(ə)r/,

/ˌmɪliˈæmˌpɛ(ə)r/

Forms: 1800s– milliampère, 1800s– milliampere.

Origin: A borrowing from French. Etymon: French milliampère.

Etymology: < French milliampère (1881) < milli- milli- comb. form + ampère ampere n. N.E.D. (1906) gives the pronunciation as (mi·liæ̆mpē^ə:ɹ.) /ˈmɪlɪæmˌpɛə(r)/.

One-thousandth of an ampere.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > electricity > electric current > [noun] > unit of measurement

ampere1881

amp1882

milliampere1885

kilampere1892

mA1896

kVA1905

kilovolt-ampere1909

microamp1923

milliamp1923

abampere1930

1885 Jrnl. Soc. Telegraph-engineers & Electricians 14 465 It [sc. the current] was 2.632 milliampères.

1889 G. M. Hopkins Exper. Sci. xviii. 428 In this way the megohm signifies one million ohms, and milliampere one thousandth part of an ampere.

1893 A. S. Eccles Sciatica 56 From five to eight milliampères of current.

1922 F. W. Aston Isotopes 48 The bulb is arranged to take from 0·5 to 1 milliampere at potentials ranging from 20,000 to 50,000 volts.

1956 Nature 10 Mar. 470/2 The particle current has steadily decreased as the energy has increased—milliamperes for the 1940 cyclotron, microamperes for the 1943 synchrocyclotron, millimicroamperes for the present cosmotron and bevatron.

1987 Electronics & Wireless World Jan. 58/1 Commercially available integrated operational amplifiers are limited to..a peak output current of about 25 milliamperes.

Compounds

milliampere meter n. = milliammeter n.

ΚΠ

1894 H. R. Bigelon Electro-therapeutics A-232 A physician's milliampèremeter should be readable from either a sitting or standing position.

1924 A. J. Allmand & H. J. T. Ellingham Princ. Appl. Electrochem. (ed. 2) ii. 17 The most economical system for general experimental electrochemical work is the employment of a high-resistance milliamperemeter, together with a number of external shunts.

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 been updated (OED Third Edition, March 2002; most recently modified version published online March 2022).

单词	milliampere
释义	milliamperen. Brit. /ˌmɪlɪˈampɛː/, U.S. /ˌmɪliˈæmˌpɪ(ə)r/, /ˌmɪliˈæmˌpɛ(ə)r/ Forms: 1800s– milliampère, 1800s– milliampere. Origin: A borrowing from French. Etymon: French milliampère. Etymology: < French milliampère (1881) < milli- milli- comb. form + ampère ampere n. N.E.D. (1906) gives the pronunciation as (mi·liæ̆mpē^ə:ɹ.) /ˈmɪlɪæmˌpɛə(r)/. One-thousandth of an ampere. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > electric current > [noun] > unit of measurement ampere1881 amp1882 milliampere1885 kilampere1892 mA1896 kVA1905 kilovolt-ampere1909 microamp1923 milliamp1923 abampere1930 1885 Jrnl. Soc. Telegraph-engineers & Electricians 14 465 It [sc. the current] was 2.632 milliampères. 1889 G. M. Hopkins Exper. Sci. xviii. 428 In this way the megohm signifies one million ohms, and milliampere one thousandth part of an ampere. 1893 A. S. Eccles Sciatica 56 From five to eight milliampères of current. 1922 F. W. Aston Isotopes 48 The bulb is arranged to take from 0·5 to 1 milliampere at potentials ranging from 20,000 to 50,000 volts. 1956 Nature 10 Mar. 470/2 The particle current has steadily decreased as the energy has increased—milliamperes for the 1940 cyclotron, microamperes for the 1943 synchrocyclotron, millimicroamperes for the present cosmotron and bevatron. 1987 Electronics & Wireless World Jan. 58/1 Commercially available integrated operational amplifiers are limited to..a peak output current of about 25 milliamperes. Compounds milliampere meter n. = milliammeter n. ΚΠ 1894 H. R. Bigelon Electro-therapeutics A-232 A physician's milliampèremeter should be readable from either a sitting or standing position. 1924 A. J. Allmand & H. J. T. Ellingham Princ. Appl. Electrochem. (ed. 2) ii. 17 The most economical system for general experimental electrochemical work is the employment of a high-resistance milliamperemeter, together with a number of external shunts. 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 been updated (OED Third Edition, March 2002; most recently modified version published online March 2022). < n.1885
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