Meaning of oxyhydrogen

ox•y•hy•dro•gen

Pronunciation: (ok"si-hī'dru-jun), [key]
— adj.
  1. pertaining to or involving a mixture of oxygen and hydrogen.
—n.
  1. a mixture of oxygen and hydrogen, used in a blowtorch for welding steel plates or the like.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.