Calculus, in dentistry
I believe the answer is:
tartar
(Other definitions for tartar that I've seen before include "Unmanageable sort" , "ancient Mongolian" , "For instance, Genghis Khan" , "Dental deposit" , "Crust on teeth or wine deposit" .)
I believe the answer is:
tartar
(Other definitions for tartar that I've seen before include "Unmanageable sort" , "ancient Mongolian" , "For instance, Genghis Khan" , "Dental deposit" , "Crust on teeth or wine deposit" .)