[ hahrts-hawrn ]
/ ˈhɑrtsˌhɔrn /


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


Nearby words

  1. hartmann, eduard von,
  2. hartmann, nicolai,
  3. hartmannella,
  4. hartnell,
  5. hartnup disease,
  6. hartshorn, spirits of,
  7. harum-scarum,
  8. harun al-rashid,
  9. harunobu,
  10. harunobu, suzuki

Origin of hartshorn

before 1000; Middle English hertis horn, Old English heortes horn. See hart, 's1, horn

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for hartshorn

British Dictionary definitions for hartshorn


/ (ˈhɑːtsˌhɔːn) /


an obsolete name for sal volatile (def. 2)

Word Origin for hartshorn

Old English heortes horn hart's horn (formerly a chief source of ammonia)

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for hartshorn



"ammonium carbonate," Old English heortes hornes, from hart + horn (n.). So called because a main early source of ammonia was the antlers of harts.

Online Etymology Dictionary, © 2010 Douglas Harper