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the rivets in one row are set opposite the spaces between the rivets in the next row. -- Double riveting, in lap riveting, two rows of rivets along the seam; in butt riveting, four rows, two on each side of the joint. -- Lap riveting, riveting in which the ends or edges of plates overlap and are riveted together.…

own in France. Rochelle powders. Same as Seidlitz powders. -- Rochelle salt (Chem.), the double tartrate of sodium and potassium, a white crystalline substance. It has a cooling, saline, slightly bitter taste and is employed as a mild purgative. It was discovered by Seignette, an apothecary of Rochelle, and is called…

A kind of shortened raised biscuit or bread, often rolled or doubled upon itself.

greatest degree of swiftness in marching. It is executed upon the same principles as the double-quick, but with greater speed.

ccinia graminis). As rust, it has solitary reddish spores; as corn mildew, the spores are double and blackish.

ty from elevated or pointed objects. A single flame is called a Helena, or a Corposant; a double, or twin, flame is called a Castor and Pollux, or a double Corposant. It takes its name from St. Elmo, the patron saint of sailors. -- Saint George's cross (Her.), a Greek cross gules upon a field argent, the field being r…

of two ingredients (analogously to a haloid salt), viz., a metal and an acid radical. -- Double salt (Chem.), a salt regarded as formed by the union of two distinct salts, as common alum, potassium aluminium sulphate. See under Double. -- Epsom salts. See in the Vocabulary. -- Essential salt (Old Chem.), a salt obta…

A kind of rack, shaped like a double St. Andrew's cross, on which sticks of wood are laid for sawing by hand; -- called also buck, and sawbuck.

housand dollars; the fox had run, say ten miles. Say, for nonpayment that the debt should double, Is twenty hundred kisses such a trouble Shak. It is said, or They say, it is commonly reported; it is rumored; people assert or maintain. -- That is to say, that is; in other words; otherwise.

ntempt by derisive acts or language; -- often with at. Thuth from his lips prevailed with double sway, And fools who came to scoff, remained to pray. Goldsmith.

ound floating in the Indian Ocean before the tree was known, and called sea cocoanut, and double cocoanut.

A double triplet; a group of six equal notes played in the time of four.

Cotton or linen cloth suitable for bed sheets. It is sometimes made of double width.

A light, smooth-bored gun, often double-barreled, especially designed for firing small shot at short range, and killing small game.

Of, pertaining to, or designating, any one of a series of double acids of silicon and tungsten, known in the free state, and also in their salts (called silicotungstates).

A feast which is not a double or a semidouble.

Not doubled, twisted together, or combined with others; as, a single thread; a single strand of a rope.

The quality or state of being single, or separate from all others; the opposite of doubleness, complication, or multiplicity.

An unlined or undyed waistcoat; a single garment; -- opposed to doublet. [Prov. Eng.]

truss or frame. -- Skew bridge. See under Bridge, n. -- Skew curve (Geom.), a curve of double curvature, or a twisted curve. See Plane curve, under Curve. -- Skew gearing, or Skew bevel gearing (Mach.), toothed gearing, generally resembling bevel gearing, for connecting two shafts that are neither parallel nor inte…