Slate
Slate (slāt) , noun
[Old English slat, sclat, Old French esclat a shiver, splinter, French éclat, from Old French esclater to shiver, to chip, French éclater, from Old High German sleizen to tear, slit, split, from slīzan to slit, German schleissen. See Slit, transitive verb, and compare Eclat.]
1.
(Mineralogy) 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.
(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. [Obsolete]
6.
(Politics) A list of candidates, prepared for nomination or for election; a list of candidates, or a programme of action, devised beforehand. [Cant, United States] — Bartlett
Collocations (11)
Adhesive slate (Mineralogy) , 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 (Mineralogy) , a kind of slate containing sulphate of alumina, -- used in the manufacture of alum.
Bituminous slate (Mineralogy) , a soft species of sectile clay slate, impregnated with bitumen.
Hornblende slate (Mineralogy) , 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 (Geology) , 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 (Mineralogy) , rocks which split into thin laminae, not necessarily parallel to the stratification; foliated rocks.
Slate spar (Mineralogy) , 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 , transitive verb
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 , transitive verb
[Compare Anglo-Saxon slating a privilege of hunting.]