metallide
transitive verb
met·al·lide
ˈmetᵊlˌīd,
-etᵊl-
-ed/-ing/-s
: 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
Word History
Etymology
obsolete metallide, noun, a binary compound of metals, from metall- + -ide entry 1
First Known Use
1967, in the meaning defined above