Meaning of autofrettage in English:

autofrettage

noun

  • The process of strengthening a tube, especially a gun barrel, by subjecting it to internal pressure high enough to enlarge the bore and push the inner metal (but not the outer metal) beyond its elastic limit.

Pronunciation

autofrettage

/ˈɔːtə(ʊ)ˌfrɛtɪdʒ/ /ˌɔːtə(ʊ)frɛˈtɑːʒ/

Origin

Early 20th century. From auto- + frettage, after French autofrettage.