A lot vs. Alot: 9 Grammatical Pitfalls
gaseous mixture-mainly hydrogen, methane, and carbon monoxide-formed by the destructive distillation (i.e., heating in the absence of air) of bituminous coal and used as a fuel. Sometimes steam is added to react with the hot coke, thus increasing the yield of gas. Coal tar and coke (qq.v.) are obtained as by-products.