transitive verb
met·al·lide | \ˈmetᵊlˌīd, -etᵊl-\

Definition of metallide 

: to diffuse (atoms of a metal or metalloid) into the surface of a metal by electrolysis in order to impart a desired surface property (such as hardness) to the bulk metal

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First Known Use of metallide

1967, in the meaning defined above

History and Etymology for metallide

obsolete metallide, noun, a binary compound of metals, from metall- + -ide entry 1

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The first known use of metallide was in 1967

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