Definition of electro-engraving in English:

electro-engraving

noun

rare
  • Engraving in which metal is etched by electrolysis or (in early use) by a tool conveying an electric current.

Origin

Mid 19th century.

Pronunciation

electro-engraving

/ɪˌlɛktrəʊɛnˈɡreɪvɪŋ//ɪˌlɛktrəʊɪŋˈɡreɪvɪŋ//ɪˌlɛktrəʊɪnˈɡreɪvɪŋ/