dentifrice
noun
den·ti·frice ˈden-tə-frəs 
: a powder, paste, or liquid for cleaning the teeth
Word History
Etymology
Middle English dentifricie, from Latin dentifricium, from denti- + fricare to rub — more at friction
First Known Use
15th century, in the meaning defined above
Medical Definition
dentifrice
noun
den·ti·frice ˈdent-ə-frəs
: a powder, paste, or liquid for cleaning the teeth