peptohydrochloric

from The Century Dictionary.

• Containing in admixture both pepsin and hydrochloric acid. Thus the gastric juice has been spoken of as a peptohydrochloric solvent of proteid substances.

from the GNU version of the Collaborative International Dictionary of English.

• adjective (Physiol. Chem.), Archaic Designating a hypothetical acid (called peptohydrochloric acid, pepsinhydrochloric acid, and chloropeptic acid) which is supposed to be formed when pepsin and dilute (0.1-0.4 per cent) hydrochloric acid are mixed together.