Ox′y‐hy″dro‐gen (?), a. [Oxy- (a) + hydrogen.] (Chem.) Of or pertaining to a mixture of oxygen and hydrogen; as, oxyhydrogen gas.
Oxyhydrogen blowpipe. (Chem.) See Blowpipe. — Oxyhydrogen microscope, a form of microscope arranged so as to use the light produced by burning lime or limestone under a current of oxyhydrogen gas.