muriatic acid


mu·​ri·​at·​ic acid ˌmyu̇r-ē-ˈa-tik- How to pronounce muriatic acid (audio)

Examples of muriatic acid in a Sentence

Recent Examples on the Web After allegedly climbing two fences and entering the basement through the ventilation shaft, someone stole muriatic acid, which was then poured on three slides at the park, authorities said. Tracey Harrington McCoy, Peoplemag, 14 June 2023 Investigators later determined that the liquid, which had been poured on three slides, was muriatic acid – also called hydrochloric acid – which is used in cleaning and disinfecting swimming pools, according to the CDC. Laura Ly, CNN, 13 June 2023 Read full article The liquid was muriatic acid that had been stolen from the pump room of the park’s swimming pool and poured over three slides, fire officials said. Kate Armanini,, 13 June 2023 Investigators found muriatic acid, a pool cleaning chemical, at Bliss Park Playground in Longmeadow on Sunday morning. Aliza Chasan, CBS News, 12 June 2023 Determined to set the record straight, Vauquelin performed a series of experiments to test how the mysterious substance reacted under different conditions: Acid obtained from the lead was heated in a charcoal oven, boiled in muriatic acid, and even left out in the sun. Stephanie Demarco, Discover Magazine, 18 May 2021 Investigators found video footage at the Tom Thumb supermarket of a woman who looked like Tracey Frame buying muriatic acid, a chemical used for cleaning. Dena Goldstein, CBS News, 3 Feb. 2023 The fumes are believed to have come from spill of muriatic acid, a chemical used in pool maintenance, said West Barnstable Fire Chief Joe Maruca. Camilo Fonseca,, 7 Oct. 2022 On Friday, firefighters found chemicals used to maintain a swimming pool, including an empty muriatic acid bottle inside a maintenance room, Procopio said. John Hilliard,, 9 Oct. 2022 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'muriatic acid.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


French muriatique, from Latin muriaticus pickled in brine, from muria brine

First Known Use

1755, in the meaning defined above

Time Traveler
The first known use of muriatic acid was in 1755

Dictionary Entries Near muriatic acid

Cite this Entry

“Muriatic acid.” Dictionary, Merriam-Webster, Accessed 3 Dec. 2023.

Medical Definition

muriatic acid

mu·​ri·​at·​ic acid ˌmyu̇r-ē-ˌat-ik- How to pronounce muriatic acid (audio)
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