Found 2 items, similar to marsh gas.
English → English (WordNet) Definition: marsh gas marsh gas n : methane gas produced when vegetation decomposes in water
English → English (gcide) Definition: marsh gas Carbureted \Car"bu*ret`ed\, a. 1. (Chem.) Combined with carbon in the manner of a carburet or carbide. [1913 Webster] 2. Saturated or impregnated with some volatile carbon compound; as, water gas is carbureted to increase its illuminating power. [Written also carburetted.] [1913 Webster] 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. [1913 Webster +PJC]