Oxyhydrogen \Ox`y*hy"dro*gen\, a. [Oxy- + hydrogen.]

(Chem.) Of, pertaining to, or consisting of, a mixture of oxygen and hydrogen at over 5000[deg] F.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Oxyhydrogen \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.

Source: Webster's Revised Unabridged Dictionary (1913)