spirits of hartshorn

spirit of hartshorn

noun Chemistry.
a colorless, pungent, suffocating, aqueous solution of about 28.5 percent ammonia gas: used chiefly as a detergent, for removing stains and extracting certain vegetable coloring agents, and in the manufacture of ammonium salts.
Also, spirits of hartshorn.


Origin:
1675–85

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World English Dictionary
spirits of hartshorn
 
n
(functioning as singular or plural) See ammonium hydroxide another name for aqueous ammonia

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