generatorn.

Brit.

/ˈdʒɛnəreɪtə/, U.S.

/ˈdʒɛnəˌreɪdər/

Origin: A borrowing from Latin. Etymon: Latin generātor.

Etymology: < classical Latin generātor begetter, father < generāt- , past participial stem of generāre generate v. + -or -or suffix. In sense 3 after French générateur (1768 in this sense, in the passage translated in quot. ?1775; 1519 in Middle French in sense 1, 1752 in sense 2a (compare generatrix n. 2), 1845 in sense ‘boiler’ (compare sense 5a), 1900 in sense 5b). Compare Spanish generador (first half of the 15th cent.), Italian generatore (a1342 as noun; a1308 as adjective in sense ‘that produces’). Compare earlier generant n., genitor n.

1. A producer or cause, esp. one characterized as masculine; spec. a male parent, a father.

ΘΚΠ

the world > existence and causation > creation > [noun] > production > that which produces

gendererc1384

bearera1387

bringerc1386

engendererc1390

producera1513

forthbringer1546

breeder1572

productor1584

productrice1585

spawner16..

brancher1610

procreanta1616

producent1622

productrix1630

generant1635

generator1637

productive1642

procurator1647

pregnatress1651

generatrix1657

yielder1733

productress1751

1637 R. Basset Curiosities 175 There have beene Parents in complexion faire, which neverthelesse have conceived and brought forth Black-moores: which were conceived, by having sundry pictures of Aethiopians in their Chambers, which may give a fancie or impression to the conceit of the conceiver, or generator in the time of that act.

1646 Sir T. Browne Pseudodoxia Epidemica vi. x. 327 Imagination..sometimes assimilates the Idea of the generator into a realty in the thing ingendred.

1675 R. Baxter Catholick Theol. viii. 59 The paternity of a Generator, and the paternity of an Adopter, are not the same.

1814 H. F. Cary tr. Dante Vision III. viii. 141 Nature, in generation, must the path Traced by the generator still pursue.

1841 R. W. Emerson Ess. xi. 263 Whilst the eternal generation of circles proceeds, the eternal generator abides.

1887 L. Parks His Star in East ii. 51 The universal agent is the productor, the generator of beings.

1932 PMLA 47 78 Adonis, the father and generator of forms.

1990 K. Gould Writing in Feminine iii. 131 Gagnon has focused increasingly on the female body as a primary generator of textual production.

a. Mathematics. A point, line, or surface conceived as producing by its motion a line, surface, or solid respectively; = generatrix n. 2, generant n. 2.

ΚΠ

1752 J. L. Cowley Geom. made Easy v. ii. 151 For the more Sides a Polygon (which may be called the Generator of a Spheroid) hath, the nearer it approaches to a Circle; therefore the Spheroid which it describes by its revolution approaches nearer its inscribed Sphere.

1863 Philos. Trans. (Royal Soc.) 153 455 The nodal generating lines or Nodal Generator.

1893 N. F. Dupuis Elem. Synthetic Solid Geom. i. 7 The variable line N is called the generator, and the fixed guiding lines are directors.

1959 Chambers's Encycl. III. 837/1 It is convenient to regard the generators of a cone (i.e. the lines joining the vertex to points on the base circle) as extending to infinity in both directions.

2005 M. K. Agoston Computer Graphics & Geom. Modeling xii. 473 Many surfaces can be defined by means of a directrix-generator construction.

b. Mathematics. An element or subset of a set in terms of which all the other elements of the set can be represented or defined, using specified operations; a subset of a set that is the smallest subset containing the given subset.

ΚΠ

1886 J. J. Sylvester in Amer. Jrnl. Math. 8 213 It will be convenient to use the letter G to denote the operator just found and to speak of it as the generator for mixed reciprocants.

1947 G. Birkhoff & S. MacLane Surv. Mod. Algebra xiv. 373 Any number in the field can be expressed in terms of this new generator.

1979 Sci. Amer. June 91/2 Such a list will consist of a number of group elements called generators and a number of equations called relations.

2001 S. Helgason Differential Geom. & Symmetric Spaces (rev. ed.) vii. 243 The center of SU(2) is a cyclic group of order 2; let z be the generator.

c. Computing. A routine that enables a computer to construct from a set of parameters other routines or subroutines with specific applications. Frequently attributive.

ΚΠ

1953 Computers & Automation May 4 Editing is but one phase of the commercial and logistic problems which lend themselves to generator techniques.

1958 C. G. Gotlieb & J. N. P. Hume High-speed Data Processing xiv. 293 Generators have also been written for editing, re-run procedures, tape checking, and moving records.

1962 H. D. Huskey & G. A. Korn Computer Handbk. xvii. 19 If memory space is not a problem the input information can be reduced to reasonable size by devising a generator code which is usually cyclic in character and can produce the linear code.

2003 R. Lenz & K. A. Kahn in R. Meersman et al. On Move to Meaningful Internet Syst. 2003 190 The vendor company uses the generator tool for developing generic clinical modules for deployment in different health care facilities.

3. Music. = fundamental n. 2. Now rare.

ΘΚΠ

society > leisure > the arts > music > musical sound > harmony or sounds in combination > chord > [noun] > root of chord

radix1673

fundamental1721

generator?1775

root1806

pedal1854

ground-note1877

?1775 W. Waring tr. J. J. Rousseau Dict. Music 129 Let us now see..what we should add to the harmony fa la ut, from the fifth fa, below the generator, to distinguish this harmony from that of the same generator.

1797 Encycl. Brit. XII. 521/1 This third major, which with the generator forms a semitone, has for that reason been called the sensible note, as introducing the generator.

1825 J. F. Danneley Encycl. Music at Sound The diatonic scale is therefore formed by the products of a sonorous body, generator or generating string.

1847 J. Craig New Universal Dict. Generator, in Music, the principal sound or sounds by which others are produced.

1889 E. Prout Harmony ii. §33 The division of any string into halves, quarters, eighths, or sixteenths, gives the various upper octaves of the ‘generator’, or ‘fundamental tone’, that is the note produced by the vibration of the whole length of the string.

1905 T. Baker Pronouncing Pocket-man. Musical Terms 64 Fundamental,..a tone which produces a series of harmonics; a generator.

a. Chemistry. An essential chemical constituent of a specified compound. Now historical.Chiefly in the context of the etymologies of the terms hydrogen, oxygen, nitrogen.

ΚΠ

1794 G. Adams Lect. Nat. & Exper. Philos. I. xi. 488 The French writers term it hydrogene, that is, generator of water.

1846 Chemist 7 386/2 The reproach under which Guyton-Morveau laboured, of having considered oxygen as the generator of all the acids, is, therefore, gratuitous.

1962 M. P. Crosland Hist. Stud. Lang. Chem. iii. vi. 187 An anonymous letter..criticized Lavoisier's terms oxygène and hydrogène as the former, for instance, appeared to mean ‘engendered by acid’ instead of ‘acid generator’.

1991 Notes & Rec. Royal Soc. 45 160 Lavoisier named the new gas ‘oxygen’ (acid generator).

b. A substance from which another substance or constituent of matter is derived.

ΚΠ

1906 Chambers's Jrnl. 28 July 558/1 A new chemical compound somewhat akin to the calcium carbide familiar as a generator of acetylene gas has been placed on the market recently.

1920 Discovery Apr. 111/2 The influence of thorium as a generator of lead has not been discussed.

1974 Science 19 Apr. 379/2 A particle which would contain the entire system asymmetrically arranged with an acceptor, perhaps ferredoxin (Fd), on one side and an oxygen generator on the other.

2003 New Phytologist 159 715/1 This is coincident with the low concentration of the electron-generator PsbA.

a. An apparatus or device used for generating something, or in which something is generated. Frequently with prefixed modifying word.gas, harmonic, noise, ozone, random number, signal, tone generator, etc.: see the first element.

ΘΚΠ

society > occupation and work > equipment > machine > machines which impart power > [noun]

vicea1400

mover1626

primum mobile1663

machine1704

prime mover1795

leader1805

generator1823

energizer1891

society > occupation and work > equipment > machine > machines which impart power > boiler > [noun] > types of

steam-boiler1805

boiler1818

generator1823

wagon-boiler1837

Cornish boiler1840

saddle boiler1840

French boiler1844

vomiting-boiler1844

water-tube boiler1850

feed-heater1864

Scotch boiler1877

cross-tubea1884

steamer1891

flash generator1903

flash steam generator1907

waste-heat boiler1930

1823 Manchester Iris 2 226/1 Mr. Perkins constructs a generator consisting of three horizontal tubes of gun-metal, connected together, filled with water.

1854 E. Ronalds & T. Richardson Knapp's Chem. Technol. (ed. 2) I. 160 Generators are constructed either to work with or without a blast of air.

1858 Catal. 10th Exhib. Inventions in Jrnl. Soc. Arts 6 App. I. 31 Patent Photogen, or Light Generator, to be used for taking Photographs at Night.

1884 Internat. Health Exhib. Official Catal. 109/1 Hot Wind Generator, for ventilating houses and hospitals, and heating same.

1902 E. S. Goff Lessons Commerc. Fruit Growing v. 190 The trays containing the fresh fruit are inserted at the lower end of the shaft, directly over the heat generator.

1967 Worlds of If Sci. Fiction June 100/2 Along the way, I learned the ins and outs of an ion-pulse drive and a stressed-field generator.

2004 Philadelphia Inquirer 26 Sept. a18/1 The situation will not be nearly as dire if the astronauts get their main oxygen generator working again.

b. An apparatus or plant for producing electricity; esp. one for producing electric current for practical use from mechanical energy.electric, electrostatic, induction, motor generator: see the first element.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > electricity > electrical engineering > generator > [noun]

rheomotor1843

generator1879

magneto-generator1883

motor generator1887

1879 J. Tyndall Fragm. Sci. (ed. 6) II. xvi. 435 The electric generator is so far simplified, and reduced in cost.

1925 H. C. Booth tr. F. Auerbach Mod. Magnetics (U.K. ed.) vii. 173 The electro-motor is the converse of another piece of apparatus, the generator or machine for producing current (dynamo).

1947 Electronics Dec. 82/1 An electrostatic particle-accelerating machine called a Van de Graaf generator.

1979 J. D. McDonald Green Ripper (1980) ix. 138 I realized it might be a generator, the engine turning over at an unchanging rpm.

1997 T. Mackintosh-Smith Yemen (1999) iv. 86 Harris did his party trick—administering electric shocks with a small generator he carried in his baggage.

2006 V. Smil Transforming 20th Cent. ii. 59 A small experimental breeder reactor near Arco, Idaho, was the world's first nuclear electricity generator.

This entry has been updated (OED Third Edition, September 2009; most recently modified version published online March 2022).

单词	generator
释义	generatorn. Brit. /ˈdʒɛnəreɪtə/, U.S. /ˈdʒɛnəˌreɪdər/ Origin: A borrowing from Latin. Etymon: Latin generātor. Etymology: < classical Latin generātor begetter, father < generāt- , past participial stem of generāre generate v. + -or -or suffix. In sense 3 after French générateur (1768 in this sense, in the passage translated in quot. ?1775; 1519 in Middle French in sense 1, 1752 in sense 2a (compare generatrix n. 2), 1845 in sense ‘boiler’ (compare sense 5a), 1900 in sense 5b). Compare Spanish generador (first half of the 15th cent.), Italian generatore (a1342 as noun; a1308 as adjective in sense ‘that produces’). Compare earlier generant n., genitor n. 1. A producer or cause, esp. one characterized as masculine; spec. a male parent, a father. ΘΚΠ the world > existence and causation > creation > [noun] > production > that which produces gendererc1384 bearera1387 bringerc1386 engendererc1390 producera1513 forthbringer1546 breeder1572 productor1584 productrice1585 spawner16.. brancher1610 procreanta1616 producent1622 productrix1630 generant1635 generator1637 productive1642 procurator1647 pregnatress1651 generatrix1657 yielder1733 productress1751 1637 R. Basset Curiosities 175 There have beene Parents in complexion faire, which neverthelesse have conceived and brought forth Black-moores: which were conceived, by having sundry pictures of Aethiopians in their Chambers, which may give a fancie or impression to the conceit of the conceiver, or generator in the time of that act. 1646 Sir T. Browne Pseudodoxia Epidemica vi. x. 327 Imagination..sometimes assimilates the Idea of the generator into a realty in the thing ingendred. View more context for this quotation 1675 R. Baxter Catholick Theol. viii. 59 The paternity of a Generator, and the paternity of an Adopter, are not the same. 1814 H. F. Cary tr. Dante Vision III. viii. 141 Nature, in generation, must the path Traced by the generator still pursue. 1841 R. W. Emerson Ess. xi. 263 Whilst the eternal generation of circles proceeds, the eternal generator abides. 1887 L. Parks His Star in East ii. 51 The universal agent is the productor, the generator of beings. 1932 PMLA 47 78 Adonis, the father and generator of forms. 1990 K. Gould Writing in Feminine iii. 131 Gagnon has focused increasingly on the female body as a primary generator of textual production. 2. a. Mathematics. A point, line, or surface conceived as producing by its motion a line, surface, or solid respectively; = generatrix n. 2, generant n. 2. ΚΠ 1752 J. L. Cowley Geom. made Easy v. ii. 151 For the more Sides a Polygon (which may be called the Generator of a Spheroid) hath, the nearer it approaches to a Circle; therefore the Spheroid which it describes by its revolution approaches nearer its inscribed Sphere. 1863 Philos. Trans. (Royal Soc.) 153 455 The nodal generating lines or Nodal Generator. 1893 N. F. Dupuis Elem. Synthetic Solid Geom. i. 7 The variable line N is called the generator, and the fixed guiding lines are directors. 1959 Chambers's Encycl. III. 837/1 It is convenient to regard the generators of a cone (i.e. the lines joining the vertex to points on the base circle) as extending to infinity in both directions. 2005 M. K. Agoston Computer Graphics & Geom. Modeling xii. 473 Many surfaces can be defined by means of a directrix-generator construction. b. Mathematics. An element or subset of a set in terms of which all the other elements of the set can be represented or defined, using specified operations; a subset of a set that is the smallest subset containing the given subset. ΚΠ 1886 J. J. Sylvester in Amer. Jrnl. Math. 8 213 It will be convenient to use the letter G to denote the operator just found and to speak of it as the generator for mixed reciprocants. 1947 G. Birkhoff & S. MacLane Surv. Mod. Algebra xiv. 373 Any number in the field can be expressed in terms of this new generator. 1979 Sci. Amer. June 91/2 Such a list will consist of a number of group elements called generators and a number of equations called relations. 2001 S. Helgason Differential Geom. & Symmetric Spaces (rev. ed.) vii. 243 The center of SU(2) is a cyclic group of order 2; let z be the generator. c. Computing. A routine that enables a computer to construct from a set of parameters other routines or subroutines with specific applications. Frequently attributive. ΚΠ 1953 Computers & Automation May 4 Editing is but one phase of the commercial and logistic problems which lend themselves to generator techniques. 1958 C. G. Gotlieb & J. N. P. Hume High-speed Data Processing xiv. 293 Generators have also been written for editing, re-run procedures, tape checking, and moving records. 1962 H. D. Huskey & G. A. Korn Computer Handbk. xvii. 19 If memory space is not a problem the input information can be reduced to reasonable size by devising a generator code which is usually cyclic in character and can produce the linear code. 2003 R. Lenz & K. A. Kahn in R. Meersman et al. On Move to Meaningful Internet Syst. 2003 190 The vendor company uses the generator tool for developing generic clinical modules for deployment in different health care facilities. 3. Music. = fundamental n. 2. Now rare. ΘΚΠ society > leisure > the arts > music > musical sound > harmony or sounds in combination > chord > [noun] > root of chord radix1673 fundamental1721 generator?1775 root1806 pedal1854 ground-note1877 ?1775 W. Waring tr. J. J. Rousseau Dict. Music 129 Let us now see..what we should add to the harmony fa la ut, from the fifth fa, below the generator, to distinguish this harmony from that of the same generator. 1797 Encycl. Brit. XII. 521/1 This third major, which with the generator forms a semitone, has for that reason been called the sensible note, as introducing the generator. 1825 J. F. Danneley Encycl. Music at Sound The diatonic scale is therefore formed by the products of a sonorous body, generator or generating string. 1847 J. Craig New Universal Dict. Generator, in Music, the principal sound or sounds by which others are produced. 1889 E. Prout Harmony ii. §33 The division of any string into halves, quarters, eighths, or sixteenths, gives the various upper octaves of the ‘generator’, or ‘fundamental tone’, that is the note produced by the vibration of the whole length of the string. 1905 T. Baker Pronouncing Pocket-man. Musical Terms 64 Fundamental,..a tone which produces a series of harmonics; a generator. 4. a. Chemistry. An essential chemical constituent of a specified compound. Now historical.Chiefly in the context of the etymologies of the terms hydrogen, oxygen, nitrogen. ΚΠ 1794 G. Adams Lect. Nat. & Exper. Philos. I. xi. 488 The French writers term it hydrogene, that is, generator of water. 1846 Chemist 7 386/2 The reproach under which Guyton-Morveau laboured, of having considered oxygen as the generator of all the acids, is, therefore, gratuitous. 1962 M. P. Crosland Hist. Stud. Lang. Chem. iii. vi. 187 An anonymous letter..criticized Lavoisier's terms oxygène and hydrogène as the former, for instance, appeared to mean ‘engendered by acid’ instead of ‘acid generator’. 1991 Notes & Rec. Royal Soc. 45 160 Lavoisier named the new gas ‘oxygen’ (acid generator). b. A substance from which another substance or constituent of matter is derived. ΚΠ 1906 Chambers's Jrnl. 28 July 558/1 A new chemical compound somewhat akin to the calcium carbide familiar as a generator of acetylene gas has been placed on the market recently. 1920 Discovery Apr. 111/2 The influence of thorium as a generator of lead has not been discussed. 1974 Science 19 Apr. 379/2 A particle which would contain the entire system asymmetrically arranged with an acceptor, perhaps ferredoxin (Fd), on one side and an oxygen generator on the other. 2003 New Phytologist 159 715/1 This is coincident with the low concentration of the electron-generator PsbA. 5. a. An apparatus or device used for generating something, or in which something is generated. Frequently with prefixed modifying word.gas, harmonic, noise, ozone, random number, signal, tone generator, etc.: see the first element. ΘΚΠ society > occupation and work > equipment > machine > machines which impart power > [noun] vicea1400 mover1626 primum mobile1663 machine1704 prime mover1795 leader1805 generator1823 energizer1891 society > occupation and work > equipment > machine > machines which impart power > boiler > [noun] > types of steam-boiler1805 boiler1818 generator1823 wagon-boiler1837 Cornish boiler1840 saddle boiler1840 French boiler1844 vomiting-boiler1844 water-tube boiler1850 feed-heater1864 Scotch boiler1877 cross-tubea1884 steamer1891 flash generator1903 flash steam generator1907 waste-heat boiler1930 1823 Manchester Iris 2 226/1 Mr. Perkins constructs a generator consisting of three horizontal tubes of gun-metal, connected together, filled with water. 1854 E. Ronalds & T. Richardson Knapp's Chem. Technol. (ed. 2) I. 160 Generators are constructed either to work with or without a blast of air. 1858 Catal. 10th Exhib. Inventions in Jrnl. Soc. Arts 6 App. I. 31 Patent Photogen, or Light Generator, to be used for taking Photographs at Night. 1884 Internat. Health Exhib. Official Catal. 109/1 Hot Wind Generator, for ventilating houses and hospitals, and heating same. 1902 E. S. Goff Lessons Commerc. Fruit Growing v. 190 The trays containing the fresh fruit are inserted at the lower end of the shaft, directly over the heat generator. 1967 Worlds of If Sci. Fiction June 100/2 Along the way, I learned the ins and outs of an ion-pulse drive and a stressed-field generator. 2004 Philadelphia Inquirer 26 Sept. a18/1 The situation will not be nearly as dire if the astronauts get their main oxygen generator working again. b. An apparatus or plant for producing electricity; esp. one for producing electric current for practical use from mechanical energy.electric, electrostatic, induction, motor generator: see the first element. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > electrical engineering > generator > [noun] rheomotor1843 generator1879 magneto-generator1883 motor generator1887 1879 J. Tyndall Fragm. Sci. (ed. 6) II. xvi. 435 The electric generator is so far simplified, and reduced in cost. 1925 H. C. Booth tr. F. Auerbach Mod. Magnetics (U.K. ed.) vii. 173 The electro-motor is the converse of another piece of apparatus, the generator or machine for producing current (dynamo). 1947 Electronics Dec. 82/1 An electrostatic particle-accelerating machine called a Van de Graaf generator. 1979 J. D. McDonald Green Ripper (1980) ix. 138 I realized it might be a generator, the engine turning over at an unchanging rpm. 1997 T. Mackintosh-Smith Yemen (1999) iv. 86 Harris did his party trick—administering electric shocks with a small generator he carried in his baggage. 2006 V. Smil Transforming 20th Cent. ii. 59 A small experimental breeder reactor near Arco, Idaho, was the world's first nuclear electricity generator. This entry has been updated (OED Third Edition, September 2009; most recently modified version published online March 2022). < n.1637
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