afterchrome
/ˌæf.tərˈkrōm/Definitions
1. noun
A film or coating, especially a thin layer of metallic material, left on a surface after a chemical or electrochemical process.
“The afterchrome on the metal was difficult to remove.”
2. verb
To leave a residue or coating on a surface, especially a thin layer of metallic material, after a chemical or electrochemical process.
“The afterchrome of the metal made it difficult to polish.”