Definition of centralizer in US English:



  • 1A person who centralizes or who advocates centralization, especially with regard to political or administrative organization.

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

  • 3Mathematics. The set of elements of a group which each commute with every element of a given subset of that group.


Mid 19th century; earliest use found in Circular to Bankers. From centralize + -er.