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5 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 am·mo·ni·ac /əˈmoniˌæk/

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 am·mo·ni·ac /əˈmonɪˌæk/ 形容詞

From: Webster's Revised Unabridged Dictionary (1913)

 am·mo·ni·ac Am·mo·ni·a·cal a. Of, pertaining, or containing ammonia, or possessing its properties; as, an ammoniac salt; ammoniacal gas.
 Ammoniacal engine, an engine in which the vapor of ammonia is used as the motive force.
 Sal ammoniac [L. sal ammoniacus], the salt usually called chloride of ammonium, and formerly muriate of ammonia.

From: Webster's Revised Unabridged Dictionary (1913)

 Am·mo·ni·ac (or Gum am·mo·ni·ac, n.  Med. The concrete juice (gum resin) of an umbelliferous plant, the Dorema ammoniacum. It is brought chiefly from Iran in the form of yellowish tears, which occur singly, or are aggregated into masses. It has a peculiar smell, and a nauseous, sweet taste, followed by a bitter one. It is inflammable, partially soluble in water and in alcohol, and is used in medicine as an expectorant and resolvent, and for the formation of certain plasters.

From: WordNet (r) 2.0

      adj : pertaining to or containing or similar to ammonia [syn: ammoniacal]
      n : the aromatic gum of the ammoniac plant [syn: gum ammoniac]