Methane

['miːθeɪn;'meθeɪn] or ['mɛθen]

Definition

(noun.) a colorless odorless gas used as a fuel.

Editor: Seth--From WordNet

Definition

(n.) A light, colorless, gaseous, inflammable hydrocarbon, CH4; marsh gas. See Marsh gas, under Gas.

Inputed by Jules

Definition

n. marsh-gas the simplest hydrocarbon found wherever the decomposition of vegetable matter is taking place under water also in coal-mines forming when mixed with air the deadly fire-damp.—n. Methanom′eter.

Editor: Ned