vbl. sb. [f. COKE v. + -ING1.] The converting of coal into coke. Also attrib. and Comb., as coking coal, oven, process, coking-kiln.
1791. Hamilton, Berthollet’s Dyeing, I. I. II. iii. 177. Pitcoal is reduced to … charcoal, by an operation called cokeing.
1806. Martin, in Phil. Trans., XCVI. 344. The strata of coal … are of a cokeing quality.
1867. W. W. Smyth, Coal & Coal-mining, 50. The quality is also inferior for … coking.
1875. Ure, Dict. Arts, I. 885. First-rate coking coals can be procured only from certain districts.
