alternatorn.

Brit.

/ˈɔːltəneɪtə/,

/ˈɒltəneɪtə/, U.S.

/ˈɔltərˌneɪdər/,

/ˈɑltərˌneɪdər/

Origin: Formed within English, by derivation. Etymons: alternate v., -or suffix.

Etymology: < alternate v. + -or suffix.

†1. Mechanics. A machine part that causes two different but complementary actions to occur alternately, or that undergoes two different actions alternately. Obsolete. rare.

ΘΚΠ

society > occupation and work > equipment > machine > parts of machines > other parts > [noun] > other specific parts

armOE

button?1561

running gear1663

relax1676

collar1678

drumhead1698

long arm1717

drum1744

press cloth1745

head1785

absorber1789

bearing plate1794

crown1796

rhodings1805

press box1825

alternator1829

cushion1832

saw tooth1835

shoe1837

keyboard1839

returner1839

cross-head1844

channel shoe1845

baster1846

water port1864

shifter1869

magazine1873

entry port1874

upsetter1875

mechanism1876

tapper1876

tension bar1879

buttonholer1882

take-up1884

auger1886

instrument panel1897

balancer1904

torsion bar1937

powerhead1960

1829 Reg. Arts & Sci. 3 329 The engine consists of a duplication of parts, viz.—a a, two refrigerators, containing cold water. b b, calorators, containing hot oil. c c, alternators lined with wood, and filled alternately with the hot and cold medium. [Etc.]

1849 U.S. Patent 6035 1/2 [In this loom] the alternator is so called because it causes the picker valve to open the straight furrow, and shut the crooked one, at one stroke, and to open the crooked furrow and shut the straight one the next stroke.

2. A person who alternates, or who causes something to alternate.

ΚΠ

1836 E. W. Lane Acct. Manners & Customs Mod. Egyptians II. xiii. 256 O Alternator of the day and night!

1881 Homeopathic Physician 1 84 Has the alternator of drugs tried the single remedy by these simple rules?

1989 J. U. Ogbu in L. Weis et al. Dropouts from School ix. 199 Alternators are the youth who more or less adopt the ‘immigrants' model’ of schooling, namely, the model of accommodation without assimilation.

2001 Math. Mag. 74 375 The standard other characters in the genre are alternators, who tell the truth and lie alternately on successive questions.

3. An electric generator that gives an alternating current; (esp. in later use) a small one driven by the engine of a motor vehicle.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > electricity > electrical engineering > dynamo > [noun] > dynamo giving alternating current

alternator1878

high-frequency alternator1891

1878 Lancet 5 Jan. 30/2 I have devised a little instrument which..combines with that of alternator the functions of interruptor and commutator.

1894 Daily News 2 Oct. 6/6 There is one 200 kwt. steam alternator for supplying 5,700 eight candle-power lamps.

1920 Glasgow Herald 9 July 10 What with the high-frequency alternator, and..the thermionic valve, wireless practice has been very much revolutionised.

1937 Geogr. Jrnl. 90 211 Power..was supplied by a 2 B.H.P. Petter petrol engine, driving a 230-volt, 50-cycles alternator.

1979 T. Keneally Passenger x. 92 On the second of these afternoons the alternator on Sal's car went.

2004 Central Coast Express (Austral.) (Nexis) 20 Aug. A pre-engaged starter motor, uprated brakes and alternator were also added to make a much improved driver-friendly car.

This entry has been updated (OED Third Edition, November 2010; most recently modified version published online December 2021).

单词	alternator
释义	alternatorn. Brit. /ˈɔːltəneɪtə/, /ˈɒltəneɪtə/, U.S. /ˈɔltərˌneɪdər/, /ˈɑltərˌneɪdər/ Origin: Formed within English, by derivation. Etymons: alternate v., -or suffix. Etymology: < alternate v. + -or suffix. †1. Mechanics. A machine part that causes two different but complementary actions to occur alternately, or that undergoes two different actions alternately. Obsolete. rare. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > other parts > [noun] > other specific parts armOE button?1561 running gear1663 relax1676 collar1678 drumhead1698 long arm1717 drum1744 press cloth1745 head1785 absorber1789 bearing plate1794 crown1796 rhodings1805 press box1825 alternator1829 cushion1832 saw tooth1835 shoe1837 keyboard1839 returner1839 cross-head1844 channel shoe1845 baster1846 water port1864 shifter1869 magazine1873 entry port1874 upsetter1875 mechanism1876 tapper1876 tension bar1879 buttonholer1882 take-up1884 auger1886 instrument panel1897 balancer1904 torsion bar1937 powerhead1960 1829 Reg. Arts & Sci. 3 329 The engine consists of a duplication of parts, viz.—a a, two refrigerators, containing cold water. b b, calorators, containing hot oil. c c, alternators lined with wood, and filled alternately with the hot and cold medium. [Etc.] 1849 U.S. Patent 6035 1/2 [In this loom] the alternator is so called because it causes the picker valve to open the straight furrow, and shut the crooked one, at one stroke, and to open the crooked furrow and shut the straight one the next stroke. 2. A person who alternates, or who causes something to alternate. ΚΠ 1836 E. W. Lane Acct. Manners & Customs Mod. Egyptians II. xiii. 256 O Alternator of the day and night! 1881 Homeopathic Physician 1 84 Has the alternator of drugs tried the single remedy by these simple rules? 1989 J. U. Ogbu in L. Weis et al. Dropouts from School ix. 199 Alternators are the youth who more or less adopt the ‘immigrants' model’ of schooling, namely, the model of accommodation without assimilation. 2001 Math. Mag. 74 375 The standard other characters in the genre are alternators, who tell the truth and lie alternately on successive questions. 3. An electric generator that gives an alternating current; (esp. in later use) a small one driven by the engine of a motor vehicle. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > electrical engineering > dynamo > [noun] > dynamo giving alternating current alternator1878 high-frequency alternator1891 1878 Lancet 5 Jan. 30/2 I have devised a little instrument which..combines with that of alternator the functions of interruptor and commutator. 1894 Daily News 2 Oct. 6/6 There is one 200 kwt. steam alternator for supplying 5,700 eight candle-power lamps. 1920 Glasgow Herald 9 July 10 What with the high-frequency alternator, and..the thermionic valve, wireless practice has been very much revolutionised. 1937 Geogr. Jrnl. 90 211 Power..was supplied by a 2 B.H.P. Petter petrol engine, driving a 230-volt, 50-cycles alternator. 1979 T. Keneally Passenger x. 92 On the second of these afternoons the alternator on Sal's car went. 2004 Central Coast Express (Austral.) (Nexis) 20 Aug. A pre-engaged starter motor, uprated brakes and alternator were also added to make a much improved driver-friendly car. This entry has been updated (OED Third Edition, November 2010; most recently modified version published online December 2021). < n.1829
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