American Dictionary of the English Language

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AMMONI'ACAL, adjective Pertaining to ammonia or possessing its properties.

AMMO'NIAC, or AMMONIAC GUM, noun [See ammonia ]

A gun resin, from Africa and the East, brought in large masses, composed of tears, internally white and externally yellow; supposed to be an exudation from an umbelliferous plant. it has a fetid smell, and a nauseous sweet taste, followed by a bitter one. It is inflammable, soluble in water and spirit of wine, and is used in medicine, as a deobstruent, and resolvent.