- Also am·mo·ni·a·cum [am-uh-nahy-uh-kuh m] /ˌæm əˈnaɪ ə kəm/. gum ammoniac.
Origin of ammoniac
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Examples from the Web for ammoniac
I do not know,' he once wrote, 'what is precisely meant by "ammoniac manure."The Earl of Mayo
William Wilson Hunter
Sal ammoniac is used as the exciting fluid, carbon and zinc being used for plates.Things a Boy Should Know About Electricity
Thomas M. (Thomas Matthew) St. John
The whole living room stank of whiskey fumes with an ammoniac tinge.Someone Comes to Town, Someone Leaves Town
Ammoniac has likewise a peculiar odour, not less penetrating, or less disagreeable, than these other gasses.
When combined with oxygen, azote forms the nitrous and nitric oxyds and acids; when with hydrogen, ammoniac is produced.
- a variant of ammoniacal
- 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 cementAlso 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)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- A strong-smelling gum resin from the stems of a plant of western Asia, formerly used in perfumery and in medicine as an expectorant and a stimulant.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.