CASE-HARDEN


Meaning of CASE-HARDEN in English

transcription, транскрипция: [ ˈkās-ˌhär-d ə n ]

transitive verb

Date: 1677

1. : to harden (a ferrous alloy) so that the surface layer is harder than the interior

2. : to make callous or insensible

• case-hard·ened adjective

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.