petroleum distilled from oil shale.
an oil distilled from shales and used as fuel
noun 1. a rock of fissile or laminated structure formed by the consolidation of clay or argillaceous material. noun 1. a dark fine-grained laminated sedimentary rock formed by compression of successive layers of clay-rich sediment shale (shāl) A fine-grained sedimentary rock consisting of compacted and hardened clay, silt, or mud. Shale forms in many distinct […]
auxiliary verb, present singular 1st person shall, 2nd shall or (Archaic) shalt, 3rd shall, present plural shall; past singular 1st person should, 2nd should or (Archaic) shouldst or shouldest, 3rd should, past plural should; imperative, infinitive, and participles lacking. 1. plan to, intend to, or expect to: I shall go later. 2. will have to, […]
noun 1. a light, twilled woolen fabric used chiefly for linings. noun 1. a light twill-weave woollen fabric used chiefly for coat linings, etc
noun 1. any of various vessels formerly used for sailing or rowing in shallow waters, especially a two-masted, gaff-rigged vessel of the 17th and 18th centuries. noun 1. a light boat used for rowing in shallow water 2. (formerly) a two-masted gaff-rigged vessel