sal volatile

sal volatile

[sal voh-lat-l-ee]
noun
an aromatic alcoholic solution of ammonium carbonate, the chief ingredient in smelling salts.

Origin:
1645–55; < Neo-Latin: volatile salt

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World English Dictionary
sal volatile (vɒˈlætɪlɪ)
 
n
1.  another name for ammonium carbonate
2.  spirits of ammonia, Also called: hartshorn a solution of ammonium carbonate in alcohol and aqueous ammonia, often containing aromatic oils, used as smelling salts
 
[C17: from New Latin: volatile salt]

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Word Origin & History

sal volatile
1654, from Mod.L., lit. "volatile salt" (see salt + volatile); ammonium carbonate, especially as used in reviving persons who have fainted.
Online Etymology Dictionary, © 2010 Douglas Harper
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