levigate
/lɪvɪˈɡeɪt/Definitions
1. verb
to reduce to a fine powder or to make something smooth by grinding or polishing
“The dentist had to levigate the surface of the tooth before applying the filling.”
2. noun
the process of reducing something to a fine powder or of making something smooth by grinding or polishing
“The levigation of the sugar helped it dissolve more easily in the tea.”