Definition of parkerizing in English:


(British parkerising)

Pronunciation /ˈpärkərˌīziNG/ /ˈpɑrkərˌaɪzɪŋ/


trademark in US
  • A process for rustproofing iron or steel by brief immersion in a hot acidic solution of a metal phosphate.

    ‘Most have the nice blue finish instead of parkerizing, and good old fashioned walnut stocks, which my customers like.’
    • ‘Finish is a matte black powder coat over parkerizing.’


1920s from Parker Rust-Proof Company of America (which introduced the process) + -ize+ -ing.