ammoniac

am·mo·ni·ac ¹  (-mn-k) also am·mo·ni·a·cal (m-n-kl)

adj.

Of, containing, or similar to ammonia.

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am·mo·ni·ac ²  (-mn-k)

n.

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.

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[Middle English ammoniak, from Latin ammniacum, from Ammniacus, of Amen, from Greek Ammniakos; see ammonia.]

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ammoniac¹

adj

(Chemistry) a variant of ammoniacal

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ammoniac²

n

(Chemistry / 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

[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)]

Thesaurus

Noun	1.	ammoniac - the aromatic gum of the ammoniac plant gum ammoniac 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 ammonia ammoniacal