Alum shale () A variety of shale or clay slate, containing iron pyrites, the decomposition of which leads to the formation of alum, which often effloresces on the rock. |
Marl (v. t.) To cover, as part of a rope, with marline, marking a pecular hitch at each turn to prevent unwinding. |
Marl (n.) A mixed earthy substance, consisting of carbonate of lime, clay, and sand, in very varivble proportions, and accordingly designated as calcareous, clayey, or sandy. See Greensand. |
Marl (n.) To overspread or manure with marl |
Shale (n.) A shell or husk |
Shale (n.) A fine-grained sedimentary rock of a thin, laminated, and often friable, structure. |
Shale (v. t.) To take off the shell or coat of |
Slate (v. t.) An argillaceous rock which readily splits into thin plates |
Slate (v. t.) Any rock or stone having a slaty structure. |
Slate (v. t.) A prepared piece of such stone. |
Slate (v. t.) A thin, flat piece, for roofing or covering houses, etc. |
Slate (v. t.) A tablet for writing upon. |
Slate (v. t.) An artificial material, resembling slate, and used for the above purposes. |
Slate (v. t.) A thin plate of any material |
Slate (v. t.) A list of candidates, prepared for nomination or for election |
Slate (v. t.) To cover with slate, or with a substance resembling slate |
Slate (v. t.) To register (as on a slate and subject to revision), for an appointment. |
Slate (v. t.) To set a dog upon |
Slate-color () A dark bluish gray color. |
Slate-gray (a.) Of a dark gray, like slate. |