Coke (?), n. [Perh. akin to cake, n.] Mineral coal charred, or depriver of its bitumen, sulphur, or other volatile matter by roasting in a kiln or oven, or by distillation, as in gas works. It is lagerly used where &unr_; smokeless fire is required. [Written also coak.]
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Gas coke, the coke formed in gas retorts, as distinguished from that made in ovens.
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