ammonium hydroxide

noun

: a weakly basic compound NH₄OH that is formed when ammonia dissolves in water and that exists only in solution

Example Sentences

Recent Examples on the Web Yet when the researchers switched to using ammonium hydroxide vapors (which have a much higher pH), the cilia reverted to their original shape and color. —

Jeremy Jacquot, Discover Magazine, 24 Sep. 2010 The gas reacts with water in the meat to form a trace amount of ammonium hydroxide. —

Guest Blogger, Discover Magazine, 23 Mar. 2012

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ammonium hydroxide.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1875, in the meaning defined above

Time Traveler

The first known use of ammonium hydroxide was in 1875

See more words from the same year

Dictionary Entries Near ammonium hydroxide

ammonium hydrosulfide

ammonium hydroxide

ammonium molybdate

See More Nearby Entries

Cite this Entry

Style

“Ammonium hydroxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ammonium%20hydroxide. Accessed 27 Mar. 2023.

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