sandstone

Definitions of sandstone
  1. noun
    a sedimentary rock consisting of sand consolidated with some cement (clay or quartz etc.)
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    types:
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    firestone
    a sandstone that withstands intense heat; used to line fireplaces and furnaces and kilns
    holystone
    a soft sandstone used for scrubbing the decks of a ship
    grit, gritrock, gritstone
    a hard coarse-grained siliceous sandstone
    brownstone
    a reddish brown sandstone; used in buildings
    bluestone
    bluish-grey sandstone used for paving and building
    greensand
    an olive-green sandstone containing glauconite
    siltstone
    a fine-grained sandstone of consolidated silt
    type of:
    arenaceous rock
    a sedimentary rock composed of sand
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