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1. Any of various perennial herbs of the genus Arnica in the composite family, having opposite, simple leaves and yellow or orange flower heads.
2. A tincture of the dried flower heads of the European species A. montana, applied externally to reduce the pain and inflammation of bruises and sprains.
[New Latin Arnica, genus name.]
1. (Plants) any N temperate or arctic plant of the genus Arnica, typically having yellow flowers: family Asteraceae (composites)
2. (Pharmacology) the tincture of the dried flower heads of any of these plants, esp A. montana, used in treating bruises
[C18: from New Latin, of unknown origin]
ar•ni•ca(ˈɑr nɪ kə)
n., pl. -cas.
any composite plant of the genus Arnica, having opposite leaves and yellow flower heads.
[1745–55; < New Latin]
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|Noun||1.||arnica - used especially in treating bruises|
tincture - (pharmacology) a medicine consisting of an extract in an alcohol solution
Arnica montana - 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
|2.||arnica - any of various rhizomatous usually perennial plants of the genus Arnica|
genus Arnica - large genus of herbs of north temperate and Arctic regions
|3.||arnica - an ointment used in treating bruises|