Muriatic acid is an obsolete name for hydrochloric acid (HCl). Lavoisier coined the name from the Latin word muria meaning brine.
Generalic, Eni. "Muriatic acid." Croatian-English Chemistry Dictionary & Glossary. 29 June 2022. KTF-Split. {Date of access}. <https://glossary.periodni.com>.
Glossary
Periodic Table