单词 | ammoniac |
释义 | ammoniac[ uh-moh-nee-ak ] / əˈmoʊ niˌæk / nounAlso am·mo·ni·a·cum [am-uh-nahy-uh-kuhm]. /ˌæm əˈnaɪ ə kəm/. gum ammoniac. adjectiveammoniacal. Origin of ammoniac1375–1425; late Middle English armoniac, ammoniak<Latin ammōniacum<Greek ammōniakón (neuter of ammōniakós of Ammon; see -i-, -ac), applied to a salt and a gum resin prepared near the Shrine of Ammon in Libya Words nearby ammoniacammonal, ammonate, ammonemia, ammoni-, ammonia, ammoniac, ammoniacal, ammonia clock, ammonia liquor, ammonia-lyase, ammoniate Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for ammoniacBritish Dictionary definitions for ammoniac (1 of 2)ammoniac1 / (əˈməʊnɪˌæk) / adjectivea variant of ammoniacal British Dictionary definitions for ammoniac (2 of 2)ammoniac2 / (əˈməʊnɪˌæk) / nouna 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 Word Origin for ammoniacC14: 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 Medical definitions for ammoniacammoniac [ ə-mō′nē-ăk′ ] n.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. |
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