Ni`tro*hy`dro*chlo"ric (?), a.
[Nitro- + hydrochloric.] (Chem.) Of,
pertaining to, or containing, nitric and hydrochloric
acids.
Nitrohydrochloric acid, a mixture of nitric
and hydrochloric acids, usually in the proportion of one part of the
former to three of the latter, and remarkable for its solvent action
on gold and platinum; -- called also nitromuriatic acid, and
aqua regia.