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A rope or chain which regulates the angle of adjustment of a sail in relation in relation to the wind; -- usually attached to the lower corner of a sail, or to a yard or a boom. (b) pl.

One of the two annular plates at the periphery of a water wheel, which form the sides of the buckets; a shroud plate. Bowsprit shrouds (Naut.), ropes extending from the head of the bowsprit to the sides of the vessel. -- Futtock shrouds (Naut.), iron rods connecting the topmast rigging with the lower rigging, passing…

Of or pertaining to siderography; executed by engraved plates of steel; as, siderographic art; siderographic impressions.

shooting its projectiles singly, as a tubular attachment for the muzzle having circular plates that permit the passage of the projectile but impart a rotary motion to, and thus retard, the exploding gases.

ox. -- Silver gar. (Zoöl.) See Billfish (a) -- Silver grain (Bot.), the lines or narrow plates of cellular tissue which pass from the pith to the bark of an exogenous stem; the medullary rays. In the wood of the oak they are much larger than in that of the beech, maple, pine, cherry, etc. -- Silver grebe (Zoöl.), the…

One who pretends to be what he is not; one who, or that which, simulates or counterfeits something; a pretender. [Obs.] Shak. Christ calleth the Pharisees hypocrites, that is to say, simulars, and painted sepulchers. Tyndale.

One who simulates, or feigns. De Quincey.

In knitting machines, one of the thin plates, blades, or other devices, that depress the loops upon or between the needles. Dividing sinker, in knitting machines, a sinker between two jack sinkers and acting alternately with them. -- Jack sinker. See under Jack, n. -- Sinker bar. (a) In knitting machines, a bar to wh…

The covering, as of planking or iron plates, outside the framing, forming the sides and bottom of a vessel; the shell; also, a lining inside the framing. Skin friction, Skin resistance (Naut.), the friction, or resistance, caused by the tendency of water to adhere to the immersed surface (skin) of a vessel. -- Skin gr…

An argillaceous rock which readily splits into thin plates; argillite; argillaceous schist.

One who lays slates, or whose occupation is to slate buildings.

The act of covering with slate, slates, or a substance resembling slate; the work of a slater.

slate; having the nature, appearance, or properties, of slate; composed of thin parallel plates, capable of being separated by splitting; as, a slaty color or texture. Slaty cleavage (Min.), cleavage, as of rocks, into thin leaves or plates, like those of slate; -- applied especially to those cases in which the planes…

Slitting file. See Illust. (i) of File. -- Slitting mill. (a) A mill where iron bars or plates are slit into narrow strips, as nail rods, and the like. (b) A machine used by lapidaries for slicing stones, usually by means of a revolving disk, called a slicer, supplied with diamond powder. -- Slitting roller, one of a…

processes or stolons; as, the social ascidians. Social science, the science of all that relates to the social condition, the relations and institutions which are involved in man's existence and his well- being as a member of an organized community; sociology. It concerns itself with questions of the public health, educ…

A theory or system of social reform which contemplates a complete reconstruction of society, with a more just and equitable distribution of property and labor. In popular usage, the term is often employed to indicate any lawless, revolutionary social scheme. See Communism, Fourierism, Saint-Simonianism, forms of social…

te, the waste material, consisting chiefly of calcium hydroxide and sulphide, which accumulates as a useless residue or side product in the ordinary Leblanc process of soda manufacture; -- called also alkali waste. -- Soda water, originally, a beverage consisting of a weak solution of sodium bicarbonate, with some aci…

A tribe of ungulates which includes the horse, ass, and related species, constituting the family Equidæ.

A flexible steel shoe (or one of the plates forming such a shoe), worn with mediæval armor.

One who speculates, or forms theories; a speculator; a theorist. The very ingenious speculatist, Mr. Hume. V. Knox.