What is "carbureted"

Carburet \Car"bu*ret\, v. t. [imp. & p. p. Carbureted or Carburetted (?); p. pr. & vb. n. Carbureting or Carburetting.] To combine or to impregnate with carbon, as by passing through or over a liquid hydrocarbon; to carbonize or carburize.

By carbureting the gas you may use poorer coal.
--Knight.

Carbureted \Car"bu*ret`ed\, a.

1. (Chem.) Combined with carbon in the manner of a carburet or carbide.

2. Saturated or impregnated with some volatile carbon compound; as, water gas is carbureted to increase its illuminating power. [Written also carburetted.]

   Carbureted hydrogen gas, any one of several gaseous compounds of carbon and hydrogen, some of with make up illuminating gas.

   Light carbureted hydrogen, methane ( CH4), also called marsh gas, and fire damp.

vb. (en-past of: carburet)