ammonia
noun
am·mo·nia
| \ ə-ˈmō-nyə
\
\
Definition of ammonia
1
: a pungent colorless gaseous alkaline compound of nitrogen and hydrogen NH3 that is very soluble in water and can easily be condensed to a liquid by cold and pressure
2
: ammonia water
Examples of ammonia in a Sentence
Recent Examples on the Web
Perhaps the most exciting drop, however, is the Semi-Permanent Hair Color ($12), an ammonia-free formula that comes in three colors — Psychic Pink, Parisian Purple, and Tenacious Teal — and lasts up to 10 washes. — Marci Robin, Teen Vogue, "Sephora Launched Its Own Line of Hair Products," 1 Sep. 2019 Perhaps the most exciting drop, however, is the Semi-Permanent Hair Color ($12), an ammonia-free formula that comes in three colors — Psychic Pink, Parisian Purple, and Tenacious Teal — and lasts up to 10 washes. — Marci Robin, Allure, "Sephora Collection Quietly Launched a New Line of Hair Products," 31 Aug. 2019 The leak put toxic levels of both cyanide and ammonia-nitrogen into the Little Calumet River, ABC7 reported Thursday, causing the National Park Service to close the Portage Lakefront and parts of the Little Calumet River on August 16. — Ashley Boucher, PEOPLE.com, "Beaches at Indiana National Park Reopen After 3,000 Fish Die in Cyanide Leak," 23 Aug. 2019 The accident released wastewater containing high levels of ammonia and cyanide into the river. — Leah Asmelash And Hollie Silverman, CNN, "A chemical spill near Lake Michigan leaves beaches closed and hundreds of fish dead," 18 Aug. 2019 Brown says the two most common hair dye ingredients to try to avoid are ammonia and p-phenylenediamine (PPDA or pPD). — Audrey Noble, Harper's BAZAAR, "Organic Hair Dye Is a Myth—But You Can Still Find Clean Hair Color," 19 June 2019 Five tanker cars carrying anhydrous ammonia ruptured, releasing a cloud of caustic, poisonous gas over the city. — Deanna Weniger, Twin Cities, "Local station wants to be source for limited English speaking communities before and after a crisis," 7 July 2019 The Newport Beach Fire Department treated three officers for exposure to ammonia. — Julia Sclafani, latimes.com, "Newport Beach man pleads not guilty to 11 counts in confrontation that led to officer-involved shooting," 10 July 2019 The clouds are made up of methane, ammonia and sulfur compounds. — Mike Lynch, Twin Cities, "Sky Watch: Jupiter and its many moons put on a show this week," 7 July 2019These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ammonia.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for ammonia
ammonia
noun
English Language Learners Definition of ammonia
: a colorless gas or liquid that has a strong smell and taste and that is used especially in cleaning products
See the full definition for ammonia in the English Language Learners Dictionary
ammonia
noun
am·mo·nia
| \ ə-ˈmō-nyə
\
\
Kids Definition of ammonia
1
: a colorless gas that is a compound of nitrogen and hydrogen, has a sharp smell and taste, can be easily made liquid by cold and pressure, and is used in cleaning products and in making fertilizers and explosives
2
: a solution of ammonia and water
ammonia
noun
am·mo·nia
| \ ə-ˈmō-nyə
\
\
Medical Definition of ammonia
1
: a pungent colorless gaseous alkaline compound of nitrogen and hydrogen NH3 that is very soluble in water and can easily be condensed to a liquid by cold and pressure
2
: ammonia water
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