flu·o·ri·nate \ˈflu̇rəˌnāt, ˈflōr-, ˈflȯr-, usu -ād.+V\transitive verb (-ed/-ing/-s) Etymology:fluorine + -ate : to treat or cause to combine with fluorine or any of certain compounds of fluorine : introduce fluorine into (as an organic compound) — compare fluoridate