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1. The antler of a hart, formerly used as a source of ammonia and in smelling salts.


(Elements & Compounds) an obsolete name for sal volatile2
[Old English heortes horn hart's horn (formerly a chief source of ammonia)]



1. the antler of a hart, formerly used as a source of ammonia.


At one time, shavings from a horn of a Hart. By the early twentieth century, spirits of hartshorn meant an aqueous solution of ammonia, and salt of hartshorn was an impure ammonium carbonate. By the late 1930s, “salt” had been dropped and hartshorn generally meant ammonium carbonate.
References in classic literature ?
The wind had the burning taste of fresh snow; my throat and nostrils smarted as if someone had opened a hartshorn bottle.
It was also distilled to a volatile salts for fainting ladies, the same way that the horns of the male deer are manufactured into hartshorn.
What that was, whether essence of quicksilver, or a few drops of hartshorn, there is no telling.
Jennings was luckily not come home, they could go directly to their own room, where hartshorn restored her a little to herself.
In place of Miss Knag being stationed in her accustomed seat, preserving all the dignity and greatness of Madame Mantalini's representative, that worthy soul was reposing on a large box, bathed in tears, while three or four of the young ladies in close attendance upon her, together with the presence of hartshorn, vinegar, and other restoratives, would have borne ample testimony, even without the derangement of the head-dress and front row of curls, to her having fainted desperately.
This inquiry produced in Miss Knag violent symptoms of a relapse; and several young ladies, darting angry looks at Kate, applied more vinegar and hartshorn, and said it was 'a shame.
When they arrived at Mr Western's hall, Sophia, who had tottered along with much difficulty, sunk down in her chair; but by the assistance of hartshorn and water, she was prevented from fainting away, and had pretty well recovered her spirits, when the surgeon who was sent for to Jones appeared.
The landlady, however, who possessed more readiness and activity than any of them, and who had withal a quicker perception of the merits of the case, soon came running in, with a little hot brandy and water, followed by her servant-girl, carrying vinegar, hartshorn, smelling-salts, and such other restoratives; which, being duly administered, recovered the child so far as to enable her to thank them in a faint voice, and to extend her hand to the poor schoolmaster, who stood, with an anxious face, hard by.
Laura Hartshorn ended up with life threatening injuries, including a punctured lung and a wound to her liver after the attack which took place at her home in Weale Court, Wrexham on May 10.
ED-RIDDEN Melanie Hartshorn lives in a world of pain.
Paul Hartshorn director at Mrhit says, "We partnered with riteSCAN the minute we saw its potential, this system is exactly what our customers needed and we have had great success in the UK selling it.
Association secretary and treasurer Mary Hartshorn explained: "For a time, our membership numbers didn't seem to be going anywhere but recently, as word has got around about us, they've really started going up.