(Min.) A subsulphate of alumina and potash; alunite. [ 1913 Webster ]

{ } n. [ Named from the river Amazon. ] (Min.) A variety of feldspar, having a verdigris-green color. [ 1913 Webster ]

A wedge-shaped stone used in an arch; a voussoir. [ 1913 Webster ]

{ } v. t. [ imp. & p. p. Astoned, Astond, or Astound. ] [ See Astonish. ] To stun; to astonish; to stupefy. [ Obs. ] Chaucer. [ 1913 Webster ]

n. (Min.) A variety of jade. It is used by some savages, particularly the natives of the South Sea Islands, for making axes or hatchets. [ 1913 Webster ]

n. [ Bile + stone. ] A gallstone, or biliary calculus. See Biliary. E. Darwin. [ 1913 Webster ]

n. (Min.) (a) A green siliceous stone sprinkled with red jasper, as if with blood; hence the name; -- called also heliotrope. (b) Hematite, an ore of iron yielding a blood red powder or “streak.” [ 1913 Webster ]

n. 1. Blue vitriol. Dunglison. [ 1913 Webster ]

2. A grayish blue building stone, as that commonly used in the eastern United States. [ 1913 Webster ]

n. [ Bond, n.+ stone. ] (Masonry) A stone running through a wall from one face to another, to bind it together; a binding stone. [ 1913 Webster ]

n. 1. Any of various plants of the genus Saxifraga.
Syn. -- saxifrage, rockfoil. [ WordNet 1.5 ]

n. [ OE. brimston, bremston, bernston, brenston; cf. Icel. brennistein. See Burn, v. t., and Stone. ] Sulphur; See Sulphur. [ 1913 Webster ]

a. Made of, or pertaining to, brimstone; as, brimstone matches. [ 1913 Webster ]

From his brimstone bed at break of day
A-walking the devil has gone. Coleridge. [ 1913 Webster ]

n. 1. A dark variety of sandstone, much used for building purposes. [ 1913 Webster ]

2. a building, especially a dwelling, faced with brownstone{ 1 }. [ PJC ]

n. [ OE. bur a whetstone for scythes. ] (Min.) A cellular, flinty rock, used for mill stones. [ Written also burrstone. ] [ 1913 Webster ]

See Buhrstone. [ 1913 Webster ]

n. See Buhrstone. [ 1913 Webster ]

A cream-colored limestone for building, found near Caen, France. [ 1913 Webster ]

[ Gael. carn a cairn + gorm azure. ] (Min.) A smoky yellow or brown variety of rock crystal, or crystallized quartz, found especially, in the mountain of Cairngorm, in Scotland.
Syn. -- smoky quartz. [ 1913 Webster + WordNet 1.5 ]

n. (Paleon.) A fossil echinus of the genus Cannulus; -- so called from its supposed resemblance to a cap. [ 1913 Webster ]

n. 1. A mass of chalk. [ 1913 Webster ]

As chalkstones . . . beaten in sunder. Isa. xxvii. 9. [ 1913 Webster ]

2. (Med.) A chalklike concretion, consisting mainly of urate of sodium, found in and about the small joints, in the external ear, and in other situations, in those affected with gout; a tophus. [ 1913 Webster ]

n. 1. small quahog larger than a littleneck.
Syn. -- cherrystone clam. [ WordNet 1.5 ]

2. a half-grown quahog.
Syn. -- cherrystone clam. [ WordNet 1.5 ]

(Geol.) A series of limestone strata found in Ohio and farther west, presenting bluffs along the rivers and valleys, formerly supposed to be of one formation, but now known to be partly Silurian and partly Devonian. [ 1913 Webster ]

a. Having the flesh attached closely to the stone, as in some kinds of peaches. -- n. A fruit, as a peach, whose flesh adheres to the stone. [ 1913 Webster ]

n. [ Clink + stone; -- from its sonorousness. ] (Min.) An igneous rock of feldspathic composition, lamellar in structure, and clinking under the hammer. See Phonolite. [ 1913 Webster ]

n. A large pebble; a rounded stone not too large to be handled; a small boulder; -- used for paving streets and for other purposes. [ 1913 Webster ]

n. Cobblestone. [ Prov. Eng. ] [ 1913 Webster ]

n. (Arch.) A stone for coping. See Coping. [ 1913 Webster ]

n. A cobblestone. [ Obs. ] [ 1913 Webster ]

n. (Min.) See Harmotome, and Staurotide. [ 1913 Webster ]

n. (Arch.) The top stone of the gable end of a house. Halliwell. [ 1913 Webster ]

n. (Min.) Crystallized cawk, in which the crystals are small. [ 1913 Webster ]

n. A stone set along a margin as a limit and protection, as along the edge of a sidewalk next the roadway; an edge stone. [ 1913 Webster ]

Curbstone broker. See under Broker. [ 1913 Webster ]

n. A pebble used in a child's game called dibstones. Locke. [ 1913 Webster ]

n. a stone or rock entirely composed of the mineral dolomite. Dict. Sci. Tech.
Syn. -- dolomite rock. [ PJC ]

n. The stone forming a threshold. [ 1913 Webster ]

n. A flat stone so thrown along the surface of water as to skip from point to point before it sinks; also, the sport of so throwing stones; -- sometimes called ducks and drakes. [ 1913 Webster ]

Internal earthquakes, that, not content with one throe, run along spasmodically, like boys playing at what is called drakestone. De Quincey. [ 1913 Webster ]

n. (Arch.) A drip, when made of stone. See Drip, 2. [ 1913 Webster ]

a. Constructed of uncemented stone. “Dry-stone walls.” Sir W. Scott.

n. (Min.) A concretionary nodule of clay ironstone, of the size of a walnut or larger, so called by the ancients, who believed that the eagle transported these stones to her nest to facilitate the laying of her eggs; aëtites. [ 1913 Webster ]

n. 1. A small, lenticular, calcareous body, esp. an operculum of a small marine shell of the family Turbinidæ, used to remove a foreign substance from the eye. It is put into the inner corner of the eye under the lid, and allowed to work its way out at the outer corner, bringing with it the substance. [ 1913 Webster ]

2. (Min.) Eye agate. See under Eye. [ 1913 Webster ]

n. [ From G. feldstein, in analogy with E. felspar. ] (Min.) See Felsite. [ 1913 Webster ]

n. [ AS. f&ymacr_;rstān flint; f&ymacr_;r fire + stān stone. ] 1. Iron pyrites, formerly used for striking fire; also, a flint. [ 1913 Webster ]

2. A stone which will bear the heat of a furnace without injury; -- especially applied to the sandstone at the top of the upper greensand in the south of England, used for lining kilns and furnaces. Ure. [ 1913 Webster ]

n. A flat stone used in paving, or any rock which will split into such stones. See Flag, a stone. [ 1913 Webster ]

n. The stone at the foot of a grave; -- opposed to headstone. [ 1913 Webster ]

n. A stone composed of sand or grit; -- so called because it is easily cut or wrought. [ 1913 Webster ]

a. Having the flesh readily separating from the stone, as in certain kinds of peaches. [ 1913 Webster ]

n. A concretion, or calculus, formed in the gall bladder or biliary passages. See Calculus, n., 1. [ 1913 Webster ]

n. [ Named after Wm. E. Gladstone. ] A four-wheeled pleasure carriage with two inside seats, calash top, and seats for driver and footman. [ 1913 Webster ]

n. A seed of the grape. [ 1913 Webster ]

n. A pebble, or small fragment of stone; a calculus. [ 1913 Webster ]