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

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

Related Words for hartshorn

Methedrine, hartshorn

Examples from the Web for hartshorn

Historical Examples of hartshorn

British Dictionary definitions for hartshorn



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