muriatic acid
Concise Oxford English Dictionary © 2008 Oxford University Press:
muriatic acid /ˌmjʊərɪˈatɪk/
▶noun archaic term for hydrochloric acid.
– derivatives
muriate noun.
muriate noun.
– origin C17: muriatic from L. muriaticus, from muria ‘brine’.
'muriatic acid' also found in these Oxford entries:

