or spirits of hartshorn
a colorless, pungent, suffocating, aqueous solution of about 28.5 percent ammonia gas: used chiefly as a detergent, for removing stains and extracting certain vegetable coloring agents, and in the manufacture of ammonium salts.
noun, Pharmacology. 1. ethyl nitrite spirit.
adjective 1. spirited; lively (used as a musical direction). adjective, adverb 1. (music) (often preceded by a tempo marking) to be played in a spirited or animated manner: allegro spiritoso
adjective, Archaic. 1. of the nature of spirit; immaterial, ethereal, or refined. adjective 1. a variant spelling of spirituous 2. (archaic) high-spirited 3. (archaic) ethereal; pure
noun, Spiritualism. 1. a form of communication between living persons and the spirits of deceased persons by tapping out messages on a table, board, or the like.