Crossword Dictionary

What's The Definition Of Slate?

\Slate\, n. [OE. slat, OF. esclat a shiver, splinter, F. ['e]clat, fr. OF. esclater to shiver, to chip, F. ['e]clater, fr. OHG. sliezen to tear, slit, split, fr. sl[=i]zan to slit, G. schleissen. See {Slit}, v. t., and cf. {Eclat}.] 1. (Min.) An argillaceous rock which readily splits into thin plates; argillite; argillaceous schist. 2. Any rock or stone having a slaty structure. 3. A prepared piece of such stone. Especially: (a) A thin, flat piece, for roofing or covering houses, etc. (b) A tablet for writing upon. 4. An artificial material, resembling slate, and used for the above purposes. 5. A thin plate of any material; a flake. [Obs.] 6. (Politics) A list of candidates, prepared for nomination or for election; a list of candidates, or a programme of action, devised beforehand. [Cant, U.S.] --Bartlett. {Adhesive slate} (Min.), a kind of slate of a greenish gray color, which absorbs water rapidly, and adheres to the tongue; whence the name. {Aluminous slate}, or {Alum slate} (Min.), a kind of slate containing sulphate of alumina, -- used in the manufacture of alum. {Bituminous slate} (Min.), a soft species of sectile clay slate, impregnated with bitumen. {Hornblende slate} (Min.), a slaty rock, consisting essentially of hornblende and feldspar, useful for flagging on account of its toughness. {Slate ax} or {axe}, a mattock with an ax end, used in shaping slates for roofs, and making holes in them for the nails. {Slate clay} (Geol.), an indurated clay, forming one of the alternating beds of the coal measures, consisting of an infusible compound of alumina and silica, and often used for making fire bricks. --Tomlinson. {Slate globe}, a globe the surface of which is made of an artificial slatelike material. {Slate pencil}, a pencil of slate, or of soapstone, used for writing on a slate. {Slate rocks} (Min.), rocks which split into thin lamin[ae], not necessarily parallel to the stratification; foliated rocks. {Slate spar} (Min.), a variety of calcite of silvery white luster and of a slaty structure. {Transparent slate}, a plate of translucent material, as ground glass, upon which a copy of a picture, placed beneath it, can be made by tracing.
\Slate\, v. t. [imp. & p. p. {Slated}; p. pr. & vb. n. {Slating}.] 1. To cover with slate, or with a substance resembling slate; as, to slate a roof; to slate a globe. 2. To register (as on a slate and subject to revision), for an appointment. [Polit. Cant]
\Slate\, v. t. [Cf. AS. sl[=ae]ting a privilege of hunting.] To set a dog upon; to bait; to slat. See 2d {Slat}, 3. [Prov. Eng. & Scot.] [Written also {slete}.] --Ray.