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am·mo·ni·ac 1

 (ə-mō′nē-ăk′) also am·mo·ni·a·cal (ăm′ə-nī′ə-kəl)
Of, containing, or similar to ammonia.

am·mo·ni·ac 2

A strong-smelling gum resin from the stems of a plant (Dorema ammoniacum) of western Asia, formerly used in perfumery and in medicine as an expectorant and a stimulant. Also called gum ammoniac.

[Middle English ammoniak, from Latin ammōniacum, from Ammōniacus, of Amen, from Greek Ammōniakos; see ammonia.]


(əˈməʊnɪˌæk) or


(Elements & Compounds) a strong-smelling gum resin obtained from the stems of the N Asian umbelliferous plant Dorema ammoniacum and formerly used as an expectorant, stimulant, perfume, and in porcelain cement. Also called: gum ammoniac
[C14: from Latin ammōniacum, from Greek ammōniakos belonging to Ammon (apparently the gum resin was extracted from plants found in Libya near the temple of Ammon)]


(əˈmoʊ niˌæk)

n. adj.
[1375–1425; late Middle English < Latin ammōniacum < Greek ammōniakón, neuter of ammōniakós of Ammon1; applied to a salt and a gum resin prepared near the Shrine of Ammon in Libya]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.ammoniac - the aromatic gum of the ammoniac plant
gum - any of various substances (soluble in water) that exude from certain plants; they are gelatinous when moist but harden on drying
Adj.1.ammoniac - pertaining to or containing or similar to ammoniaammoniac - pertaining to or containing or similar to ammonia
References in periodicals archive ?
7 million tons of urea and ammoniac, the plant is being constructed with IRR2tr of investment and proceeds 0.
Les gaz rencontres sont le monoxyde de carbone (CO) dans 98,8% des cas et le gaz ammoniac dans 0,2% des cas.
In 2010, compiling standards of 5 petrochemical production has been ended in ministry of oil including olphin, methanol, ammoniac, urea and aromatic.
According to the report from IME international affairs and PR, 220 MT of ammoniac with the unit price of 10,709 IRR was traded in the oil and petrochemical trading floor.
Des affrontements ont oppose hier mardi la police tunisienne et des habitants d'un quartier de la cite de Gabes (sud-est) apres un accident nocturne dans une usine chimique qui a entraEne une fuite de gaz ammoniac, selon un journaliste de l'AFP.
The recipe is made up of the following: common salt, sal ammoniac (ammonium chloride), white pepper, black pepper, ginger, cumin, thyme, celery seed (or parsley), origano, rocket-seed, saffron, hyssop from Crete, bay-leaf, dill and parsley.
Recently, Iran and Venezuela have signed various oil, gas and petrochemical deal which even includes one deal to construct four oil tankers and one for a urea and ammoniac complex in Iran's Pars Special Economic Energy Zone.
In humans, isocyanic acid is mainly formed by the spontaneous decomposition of urea into cyanate and ammoniac, which occurs in aqueous solutions according to an equilibrium that favors urea more than 99% (12).
That alarmed environmentalists, who pointed to a government finding that when heated water was drained from the reactors three years earlier, "hot water temperatures might have led to high concentrations of ammoniac [ammonium chloride], which is potentially toxic for the rivers' fauna.
These tests not only certify enhanced overall reliability, but also verify that Trina Solar's modules are able to offer high yields over time even in adverse environments with high levels of salt content or ammoniac gas.
Representative structure of recirculated water we shall esteem on an example of a water handling of ammoniac production of joint-stock company "ACHEMA".
MARY, Jan 25, 2011 (TUR) -- Turkish Ronesans Holding will construct an ammoniac and fertilizer factory in Turkmenistan.