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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.]


(Chemistry) of, containing, using, or resembling ammonia. Also: ammoniac


(ˌæm əˈnaɪ ə kəl)

also ammoniac

1. consisting of, containing, or using ammonia.
2. like ammonia.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.ammoniacal - pertaining to or containing or similar to ammoniaammoniacal - pertaining to or containing or similar to ammonia
References in periodicals archive ?
Nitrogen, Sulfur, pectin, lignin, cellulose and hemicellulose were determined for acid digestion according to Kjeldahl method, which consists in the destruction of the sample with concentrated sulfuric acid in boiling, thus separating the nitrogen from its bond matrix and transforming into ammoniacal nitrogen, with a heating period of 4.
And so we settled into the comfortable darkness which was filled with the powerful tang of orange zest and the ammoniacal whiff of pee as the toilet doors at the side of the stalls began to bang open and shut, as they ceaselessly would throughout the whole of the show.
The abdominal cavity was filled with 40-50 liters of ammoniacal yellow citric liquid, which was characterized as urine.
The ammoniacal nitrogen (N-NH3) was also quantified in the broth, by distillation with magnesium oxide and calcium chloride, using boric acid solution and titration with hydrochloric acid at 0.
This demonstrates an additive effect of the supplementation on digestibility, through the effect of the association between non-fiber components and nitrogen components, which, in the rumen, provide carbon skeletons and ammoniacal nitrogen to microorganisms, supplying energy for microbial production and growth, and ultimately increasing the digestibility of nutrients.
Removal of zinc from dusts and sludges from basic oxygen furnaces in the process of ammoniacal leaching.
Table 2 shows the results of the water limnological and heavy metals evaluations from Salso I Stream and the Uruguay River, including pH, conductivity, resistivity, salinity, dissolved oxygen content, temperature, total ammoniacal nitrogen, and nitrite, with CONAMA recommended limits noted.
1994) evaluated bond strength development of chromated copper arsenate (CCA)--or ammoniacal copper zinc arsenate (ACZA)--pretreated lap shear specimens bonded with PF resin.
Leaching behaviour of sulphides in ammoniacal thiosulphate systems.
The occurrence of VVF is characterised by continuous leakage of urine per vagina, urinary infection, ammoniacal dermatitis involving the area of perineum and distortion of body image.
Darco said, other contracts were for "several" wastewater treatment projects in Malaysia "involving the construction of ammoniacal nitrogen wastewater treatment system for a solar cell and nitrogenous fertiliser manufacturing plant.
When applied to the soil, urea suffers enzymatic hydrolysis, releasing ammoniacal N (Cantarella, 2007).