Slate Slate (sl[=a]t), n. [OE. slat, sclat, OF. esclat a shiver, splinter, F. ['e]clat, fr. OF. esclater to shiver, to chip, F. ['e]clater, fr. OHG. sleizen 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. [1913 Webster]

2. Any rock or stone having a slaty structure. [1913 Webster]

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. [1913 Webster]

4. An artificial material, resembling slate, and used for the above purposes. [1913 Webster]

5. A thin plate of any material; a flake. [Obs.] [1913 Webster]

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. [1913 Webster]

{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 {Slate 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. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Slate — is a fine grained, foliated, , metamorphic rock derived from an original shale type sedimentary rock composed of clay or volcanic ash through low grade regional metamorphism. The result is a foliated rock in which the foliation may not correspond …   Wikipedia

  • Slate — 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. [1913 Webster] 2. To register (as on a slate and subject to revision), for an… …   The Collaborative International Dictionary of English

  • slate — slate1 [slāt] n. [ME sclate < OFr esclate, fem. of esclat: see SLAT1] 1. a hard, fine grained, metamorphic rock, typically formed from shale, that cleaves naturally into thin, smooth surfaced layers 2. a thin piece of slate or slatelike… …   English World dictionary

  • Slate — steht für: Slate (Programmiersprache), eine objektorientierte Programmiersprache Slate (Tablet PC), eine Bauform eines Tablet PCs Slate (Magazin), ein englischsprachiges Online Magazin einen Ortsteil der Kreisstadt Parchim in Mecklenburg… …   Deutsch Wikipedia

  • slate — slate; slate·man; un·slate; …   English syllables

  • Slate — 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. [1913 Webster] …   The Collaborative International Dictionary of English

  • slate — [sle:t, engl. sleit] <zu engl. slate »Schiefer«> schiefergrau gefärbt (von Rauchwaren) …   Das große Fremdwörterbuch

  • slate — ► NOUN 1) a fine grained grey, green, or bluish purple rock easily split into smooth, flat plates, used as roofing material. 2) a plate of slate formerly used in schools for writing on. 3) a bluish grey colour. 4) a list of candidates for… …   English terms dictionary

  • slate — index docket, lash (attack verbally), program, punish, rebuke, reprehend, reproach, set down Burton s Legal Thesaurus …   Law dictionary

  • slate — verb. There is an important difference between its meanings on the two sides of the Atlantic. In BrE it means ‘to criticize severely’, whereas in AmE it usually means ‘to nominate’ or ‘to designate or schedule’ (as in slating a meeting). The… …   Modern English usage

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