hartshorn

== English == === Etymology === From hart + -s- + horn. === Pronunciation === (UK) IPA(key): /ˈhɑːtshɔːn/ === Noun === hartshorn (countable and uncountable, plural hartshorns) (countable) The antler of a hart, once used as a source of ammonia. (dated) An aqueous solution of ammonia; smelling salts. ==== Derived terms ==== ==== Translations ==== === Verb === hartshorn (third-person singular simple present hartshorns, present participle hartshorning, simple past and past participle hartshorned) (transitive) To revive with hartshorn smelling salts.