Definition of muriatic acid in English:

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muriatic acid

Pronunciation: /ˌmjʊərɪˈatɪk/


Archaic term for hydrochloric acid.
Example sentences
  • If the floor is not flushed thoroughly with water after clean up, the muriatic acid will continue to leach lime from the grout causing the whitish dust.
  • In the two wet cleaning systems, no muriatic acid or compounds containing muriatic acid may be used.
  • If the mortar smears still remain, wait a week (until the masonry cures) and clean with a solution of one part muriatic acid to nine parts water, mixed in a plastic bucket.



Pronunciation: /ˈmjʊərɪət/
Example sentences
  • Fertilizers containing high amounts of nitrate of soda, muriate of potash, potassium nitrate and ammonium nitrate can cause the highest accumulated salts.
  • Avoid using fertilizer containing chlorine, such as muriate of potash.
  • Nat. mur. is short for natrium muriate, the sodium salt of muriatic acid, commonly known as ordinary salt.


Late 17th century: muriatic from Latin muriaticus, from muria 'brine'.

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