Noun
herb of pasture and open woodland throughout most of Europe and western Asia having orange-yellow daisylike flower heads that when dried are used as a stimulant and to treat bruises and swellings
Source: WordNetThe greatest dilution reasonably likely to contain even one molecule of the original substance is 12C. citation This bottle is labelled Arnica montana (wolf's bane) D6, i.e. the nominal dilution is one part in a million (10 -6 ). Source: Internet