ammoniacal

adjective

am·mo·ni·a·cal ˌa-mə-ˈnī-ə-kəl

variants or less commonly ammoniac

ə-ˈmō-nē-ˌak

: of, relating to, containing, or resembling ammonia

Word History

First Known Use

1646, in the meaning defined above

Time Traveler

The first known use of ammoniacal was in 1646

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ammoniac

ammoniacal

ammoniac plant

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“Ammoniacal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ammoniacal. Accessed 7 Jul. 2026.

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Medical Definition

ammoniacal

adjective

am·mo·ni·a·cal ˌam-ə-ˈnī-ə-kəl

variants also ammoniac

ə-ˈmō-nē-ˌak

: of, relating to, containing, or having the properties of ammonia

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ammoniacal

adjective

Word History

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