centralizern.

Brit.

/ˈsɛntrəlʌɪzə/,

/ˈsɛntrl̩ʌɪzə/, U.S.

/ˈsɛntrəˌlaɪzər/

Forms: see centralize v. and -er suffix¹.

Origin: Formed within English, by derivation. Etymons: centralize v., -er suffix¹.

Etymology: < centralize v. + -er suffix¹.

1. A person who centralizes or who advocates centralization, esp. with regard to political or administrative organization. Also figurative. Cf. centralization n. 1.

ΘΚΠ

society > authority > rule or government > a or the system of government > centralized or regionalized systems > [noun] > centralism > one who promotes

centralist1826

centralizer1834

1834 Circular to Bankers 5 Sept. 52/2 Out of five hundred men of business..not one centralizer could be found to hold up his hand in support of the scheme.

1876 N. Amer. Rev. Oct. 360 As strong a centralizer as Jefferson.

1934 Standard 25 July The spider is the great centraliser, because he is by nature a tyrant and an oppressor.

1963 Economist 25 May 767/1 Hot argument between the centralisers and the local autonomists.

2010 Guardian (Nexis) 15 Nov. The latest expression of a historic wrangle between centralisers and localisers.

2. Oil Industry. A device fitted around a drilling string, pipe casing, etc., in order to keep it in a central position in a borehole.

ΚΠ

1917 E. J. Taylor U.S. Patent 1,246,181 1/1 I..have invented new and useful improvements in Shaft-Bearing centralizers.

1981 Offshore (Nexis) Sept. 71 The casing string is set, and the centralizers are mounted in several places: On the lower part of the casing near the bottom of the borehole, on the reservoir section, [etc.].

1991 Offshore Engineer Sept. 81/1 On the first well, the liner did not reach bottom due to the hole problems and improper centralisers.

2011 Wall St. Jrnl. 13 Jan. a16/1 The evidence to date does not unequivocally establish whether the failure to use 15 additional centralizers was a direct cause of the blowout.

3. Mathematics. The set of elements of a group which each commute (commute v. 7) with every element of a given subset of that group. Cf. centre n.¹ 21.

ΚΠ

1936 Amer. Jrnl. Math. 58 293 Both the central C of V^L₁ and the ‘centralizer’ J of V^L₁ in V^L_i are characteristic under V^L_i.

1958 S. Kravetz tr. H. Zassenhaus Theory of Groups (ed. 2) ii. 51 The centralizer of a subgroup is a normal subgroup of its normalizer.

1972 A. G. Howson Handbk. Terms Algebra & Anal. xii. 58 The set {c ∈ G | cm = mc for all m ∈ M} is called the centraliser of M.

2006 A. W. Knapp Basic Algebra iv. 164 The centralizer of i in H₈ is the 4-element subgroup {±1, ±i }.

This entry has been updated (OED Third Edition, June 2016; most recently modified version published online December 2021).

单词	centralizer
释义	centralizern. Brit. /ˈsɛntrəlʌɪzə/, /ˈsɛntrl̩ʌɪzə/, U.S. /ˈsɛntrəˌlaɪzər/ Forms: see centralize v. and -er suffix¹. Origin: Formed within English, by derivation. Etymons: centralize v., -er suffix¹. Etymology: < centralize v. + -er suffix¹. 1. A person who centralizes or who advocates centralization, esp. with regard to political or administrative organization. Also figurative. Cf. centralization n. 1. ΘΚΠ society > authority > rule or government > a or the system of government > centralized or regionalized systems > [noun] > centralism > one who promotes centralist1826 centralizer1834 1834 Circular to Bankers 5 Sept. 52/2 Out of five hundred men of business..not one centralizer could be found to hold up his hand in support of the scheme. 1876 N. Amer. Rev. Oct. 360 As strong a centralizer as Jefferson. 1934 Standard 25 July The spider is the great centraliser, because he is by nature a tyrant and an oppressor. 1963 Economist 25 May 767/1 Hot argument between the centralisers and the local autonomists. 2010 Guardian (Nexis) 15 Nov. The latest expression of a historic wrangle between centralisers and localisers. 2. Oil Industry. A device fitted around a drilling string, pipe casing, etc., in order to keep it in a central position in a borehole. ΚΠ 1917 E. J. Taylor U.S. Patent 1,246,181 1/1 I..have invented new and useful improvements in Shaft-Bearing centralizers. 1981 Offshore (Nexis) Sept. 71 The casing string is set, and the centralizers are mounted in several places: On the lower part of the casing near the bottom of the borehole, on the reservoir section, [etc.]. 1991 Offshore Engineer Sept. 81/1 On the first well, the liner did not reach bottom due to the hole problems and improper centralisers. 2011 Wall St. Jrnl. 13 Jan. a16/1 The evidence to date does not unequivocally establish whether the failure to use 15 additional centralizers was a direct cause of the blowout. 3. Mathematics. The set of elements of a group which each commute (commute v. 7) with every element of a given subset of that group. Cf. centre n.¹ 21. ΚΠ 1936 Amer. Jrnl. Math. 58 293 Both the central C of V^L₁ and the ‘centralizer’ J of V^L₁ in V^L_i are characteristic under V^L_i. 1958 S. Kravetz tr. H. Zassenhaus Theory of Groups (ed. 2) ii. 51 The centralizer of a subgroup is a normal subgroup of its normalizer. 1972 A. G. Howson Handbk. Terms Algebra & Anal. xii. 58 The set {c ∈ G \| cm = mc for all m ∈ M} is called the centraliser of M. 2006 A. W. Knapp Basic Algebra iv. 164 The centralizer of i in H₈ is the 4-element subgroup {±1, ±i }. This entry has been updated (OED Third Edition, June 2016; most recently modified version published online December 2021). < n.1834
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