multiplicatorn.

Brit.

/ˈmʌltᵻplᵻkeɪtə/, U.S.

/ˈməltəpləˌkeɪdər/

Forms: 1500s multiplicatour, 1500s multyplycatour, 1500s– multiplicator.

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

Etymology: < post-classical Latin multiplicator (4th cent. in the context of human reproduction; 6th cent. (Boethius) in sense 1a; c1115 in a British source in this sense) < classical Latin multiplicāt- , past participial stem of multiplicāre multiply v. + -or -or suffix. Compare Middle French, French multiplicateur (1515), Italian moltiplicatore (1310 in more general sense in form multiplicatore, a1374 in mathematical sense in form multipricatore), Spanish multiplicador (1512; 1494 as adjective).In sense 1b after German Multiplikator (I. Schur 1904, in Jrnl. f. die reine u. angewandte Math. 127 23).

1. Mathematics.

a. = multiplier n. 3a. Now rare.

ΘΚΠ

the world > relative properties > number > arithmetic or algebraic operations > [noun] > multiplication > multiplier or multiplicand

multipliantc1450

multiplicator1543

multiplier1543

multiplicand1594

factor1658

multiplied1660

coefficient1708

geniture1718

multiplicative1727

factor1779

weight1825

conversion factor1918

scale factor1948

co-factor-

1543 R. Record Ground of Artes i. sig. G.viii The multiplyer or multyplycatour [1582 multiplicatour], that is to saye the nomber, by whyche multyplycation is made.

1579 L. Digges & T. Digges Stratioticos 4 The lesse is named the Multiplicator or Multiplyer, the other summe, or number to be multiplyed.

1690 W. Leybourn Cursus mathematicus 146 The Summ of the Logarithms of the Multiplicand, and of the Multiplicator, is equal to the Logarithm of the Product.

1734 J. Ward Young Mathematician's Guide (ed. 6) App. of Gauging 435 If any one would rather work by Multiplication than by Division, he may..change any Divisor into a Multiplicator.

1828 Blackwood's Edinb. Mag. 24 320 The sign of a thousand with that of the proper multiplicator..showed the number slain.

1923 Glasgow Herald 16 Oct. 7 In Cologne order was restored on Friday night... The price ‘Multiplicator’, which played a large part in creating the agitation, has been lowered from 1,800,000,000..to 400,000,000.

1989 W. Gellert et al. VNR Conc. Encycl. Math. (ed. 2) i. 22 Since multiplicand and multiplicator can be interchanged, they are both called the factors.

b. A group whose elements appear in equations satisfied by the representatives of the elements of a factor group of a given group, and which therefore determines the structure of the given group. Also Schur multiplicator [ < the name of Issai Schur (1875–1941), Russian-born mathematician + multiplicator n.] .

ΚΠ

1941 Trans. Amer. Math. Soc. 50 296 The principal genus theorem for units and unit groups connects our investigations with Schur's theory of the multiplicator.

1956 Proc. Royal Soc. A. 235 236 The concept of the multiplicator is closely related to the theory of central extensions.

1973 Math. of Computation 27 361 This paper describes a method for computing the Schur multiplicator of a finite supersolvable group G.

1988 Proc. Amer. Math. Soc. 104 730 Our interest in cyclic cohomology stems from the following result, which has its origins in the theory of the Schur multiplicator.

†2. = multiplier n. 4a. Obsolete.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > electricity > electric current > [noun] > measurement of force > instrument for > increasing intensity

multiplier1795

multiplicator1823

1823 Q. Jrnl. Sci. & Arts Oct. 124 It is this which constitutes the electro-magnetic multiplicator.

1876 Catal. Special Coll. Sci. Apparatus S. Kensington Mus. (1877) 1049 Multiplicator, according to Schweigger, for thermo-electrical currents.

a1884 E. H. Knight Pract. Dict. Mech. Suppl. 624/1 Multiplicator, in galvanometers: a flat coil of conducting wire, for multiplying the effect of the current upon the needle.

1897 Science 5 Feb. 218/2 His small private laboratory, where ‘the frog and the multiplicator were the whole world’.

This entry has been updated (OED Third Edition, March 2003; most recently modified version published online March 2022).

单词	multiplicator
释义	multiplicatorn. Brit. /ˈmʌltᵻplᵻkeɪtə/, U.S. /ˈməltəpləˌkeɪdər/ Forms: 1500s multiplicatour, 1500s multyplycatour, 1500s– multiplicator. Origin: A borrowing from Latin. Etymon: Latin multiplicator. Etymology: < post-classical Latin multiplicator (4th cent. in the context of human reproduction; 6th cent. (Boethius) in sense 1a; c1115 in a British source in this sense) < classical Latin multiplicāt- , past participial stem of multiplicāre multiply v. + -or -or suffix. Compare Middle French, French multiplicateur (1515), Italian moltiplicatore (1310 in more general sense in form multiplicatore, a1374 in mathematical sense in form multipricatore), Spanish multiplicador (1512; 1494 as adjective).In sense 1b after German Multiplikator (I. Schur 1904, in Jrnl. f. die reine u. angewandte Math. 127 23). 1. Mathematics. a. = multiplier n. 3a. Now rare. ΘΚΠ the world > relative properties > number > arithmetic or algebraic operations > [noun] > multiplication > multiplier or multiplicand multipliantc1450 multiplicator1543 multiplier1543 multiplicand1594 factor1658 multiplied1660 coefficient1708 geniture1718 multiplicative1727 factor1779 weight1825 conversion factor1918 scale factor1948 co-factor- 1543 R. Record Ground of Artes i. sig. G.viii The multiplyer or multyplycatour [1582 multiplicatour], that is to saye the nomber, by whyche multyplycation is made. 1579 L. Digges & T. Digges Stratioticos 4 The lesse is named the Multiplicator or Multiplyer, the other summe, or number to be multiplyed. 1690 W. Leybourn Cursus mathematicus 146 The Summ of the Logarithms of the Multiplicand, and of the Multiplicator, is equal to the Logarithm of the Product. 1734 J. Ward Young Mathematician's Guide (ed. 6) App. of Gauging 435 If any one would rather work by Multiplication than by Division, he may..change any Divisor into a Multiplicator. 1828 Blackwood's Edinb. Mag. 24 320 The sign of a thousand with that of the proper multiplicator..showed the number slain. 1923 Glasgow Herald 16 Oct. 7 In Cologne order was restored on Friday night... The price ‘Multiplicator’, which played a large part in creating the agitation, has been lowered from 1,800,000,000..to 400,000,000. 1989 W. Gellert et al. VNR Conc. Encycl. Math. (ed. 2) i. 22 Since multiplicand and multiplicator can be interchanged, they are both called the factors. b. A group whose elements appear in equations satisfied by the representatives of the elements of a factor group of a given group, and which therefore determines the structure of the given group. Also Schur multiplicator [ < the name of Issai Schur (1875–1941), Russian-born mathematician + multiplicator n.] . ΚΠ 1941 Trans. Amer. Math. Soc. 50 296 The principal genus theorem for units and unit groups connects our investigations with Schur's theory of the multiplicator. 1956 Proc. Royal Soc. A. 235 236 The concept of the multiplicator is closely related to the theory of central extensions. 1973 Math. of Computation 27 361 This paper describes a method for computing the Schur multiplicator of a finite supersolvable group G. 1988 Proc. Amer. Math. Soc. 104 730 Our interest in cyclic cohomology stems from the following result, which has its origins in the theory of the Schur multiplicator. †2. = multiplier n. 4a. Obsolete. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > electric current > [noun] > measurement of force > instrument for > increasing intensity multiplier1795 multiplicator1823 1823 Q. Jrnl. Sci. & Arts Oct. 124 It is this which constitutes the electro-magnetic multiplicator. 1876 Catal. Special Coll. Sci. Apparatus S. Kensington Mus. (1877) 1049 Multiplicator, according to Schweigger, for thermo-electrical currents. a1884 E. H. Knight Pract. Dict. Mech. Suppl. 624/1 Multiplicator, in galvanometers: a flat coil of conducting wire, for multiplying the effect of the current upon the needle. 1897 Science 5 Feb. 218/2 His small private laboratory, where ‘the frog and the multiplicator were the whole world’. This entry has been updated (OED Third Edition, March 2003; most recently modified version published online March 2022). < n.1543
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