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y dropping melted glass into water. It is remarkable for bursting into fragments when the surface is scratched or the tail broken; -- so called from Prince Rupert, nephew of Charles I., by whom they were first brought to England. Called also Rupert's ball, and glass tear.

and Asia. Russia iron, a kind of sheet iron made in Russia, having a lustrous blue-black surface. -- Russia leather, a soft kind of leather, made originally in Russia but now elsewhere, having a peculiar odor from being impregnated with an oil obtained from birch bark. It is much used in bookbinding, on account of it…

A part, as a flange, which is hollowed out to fit upon a convex surface and serve as a means of attachment or support.

y lamp. (Mining) See under Lamp. -- Safety match, a match which can be ignited only on a surface specially prepared for the purpose. -- Safety pin, a pin made in the form of a clasp, with a guard covering its point so that it will not prick the wearer. -- safety plug. See Fusible plug, under Fusible. -- Safety swit…

egion of the sagittal suture; rabdoidal; as, the sagittal furrow, or groove, on the inner surface of the roof of the skull.

the extended surface of the arm of a windmill.

consisting of a sole strapped to the foot; a protection for the foot, covering its lower surface, but not its upper.

a large tract of the North Atlantic Ocean where sargasso in great abundance floats on the surface.

A kind of dress goods made of cotton or woolen, with a glossy surface resembling satin.

A silk cloth, of a thick, close texture, and overshot woof, which has a glossy surface. Cloths of gold and satins rich of hue. Chaucer. Denmark satin, a kind of lasting; a stout worsted stuff, woven with a satin twill, used for women's shoes. -- Farmer's satin. See under Farmer. -- Satin bird (Zoöl.), an Australian b…

faced fabric in which the warp interlaces with the filling at points distributed over the surface.

A tree which has fallen into a stream so that its branches project above the surface, rising and falling with a rocking or swaying motion in the current. [U.S.]

A disease of potatoes producing pits in their surface, caused by a minute fungus (Tiburcinia Scabies).

tal stone, as marble, formed by a substratum of finely ground gypsum mixed with glue, the surface of which, while soft, is variegated with splinters of marble, spar, granite, etc., and subsequently colored and polished.

The thin oxide which forms on the surface of iron forgings. It consists esentially of the magnetic oxide, Fe3O4. Also, a similar coating upon other metals. Covering scale (Zoöl.), a hydrophyllium. -- Ganoid scale (Zoöl.) See under Ganoid. -- Scale armor (Mil.), armor made of small metallic scales overlapping, and fas…

A thin veneer of leaf of wood used for covering the surface of articles of firniture, and the like. Scaleboard plane, a plane for cutting from a board a wide shaving forming a scaleboard.

ies of segments of circles joined at their extremities, forming a border like the edge or surface of a scallop shell.

An implement for stripping and loosening the soil, without bringing up a fresh surface. You have your scarifiers to make the ground clean. Southey.

To stir the surface soil of, as a field.

Having the surface closely covered with hairs, like a brush.