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ammoniacal

[am-uh-nahy-uh-kuh l]
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adjective
  1. consisting of, containing, or using ammonia.
  2. like ammonia.
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Also ammoniac.

Origin of ammoniacal

First recorded in 1725–35; ammoniac + -al1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for ammoniacal

ammoniacal

adjective
  1. of, containing, using, or resembling ammoniaAlso: ammoniac
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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