margination
noun
mar·gin·ation
| \ ˌmär-jə-ˈnā-shən
\
\
Medical Definition of margination
1
: the act or process of forming a margin
specifically
: the adhesion of white blood cells to the walls of damaged blood vessels
2
: the action of finishing a dental restoration or a filling for a cavity
margination of an amalgam with a bur