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A built-up, rifled, rapid-fire gun of oil-tempered steel, having a rectangular breechblock which moves horizontally or vertically in a mortise cut completely through the jacket. It is made in France.

d from the fact that the projections of three equal lines, parallel respectively to three rectangular axes, are equal to one another. This kind of projection is principally used in delineating buildings or machinery, in which the principal lines are parallel to three rectangular axes, and the principal planes are paral…

nsisting of logarithms. Logarithmic curve (Math.), a curve which, referred to a system of rectangular coördinate axes, is such that the ordinate of any point will be the logarithm of its abscissa. -- Logarithmic spiral, a spiral curve such that radii drawn from its pole or eye at equal angles with each other are in co…

A rectangular arrangement of symbols in rows and columns. The symbols may express quantities or operations.

Having greater length than breadth, esp. when rectangular.

A rectangular figure.

Right-angled; rectangular; as, an orthogonal intersection of one curve with another. Orthogonal projection. See under Orthographic.

An oblong rectangular piece of cloth, worn by Roman ladies, and fastened with brooches.

A rectangular garment or piece of cloth, usually made of the checkered material called tartan, but sometimes of plain gray, or gray with black stripes. It is worn by both sexes in Scotland.

To cut a groove in, as in a plank, or the edge of a board; especially, a rectangular groove to receive the end of a shelf or tread, the edge of a panel, a tongue, etc. To plow in, to cover by plowing; as, to plow in wheat. -- To plow up, to turn out of the ground by plowing.plow ahead, to continue in spite of obstacle…

In the theory of gravitation, or of other forces acting in space, a function of the rectangular coordinates which determine the position of a point, such that its differential coefficients with respect to the coördinates are equal to the components of the force at the point considered; -- also called potential function…

A transparent body, with usually three rectangular plane faces or sides, and two equal and parallel triangular ends or bases; -- used in experiments on refraction, dispersion, etc.

ng angles on paper, used in drawing or in plotting. It is of various forms, semicircular, rectangular, or circular.

Rectangular. [R.]

Rectangular. Hutton.

In a sawmill, the rectangular frame in which the saw is strained and by which it is carried up and down with a reciprocating motion; - - also called gate. French sash, a casement swinging on hinges; -- in distinction from a vertical sash sliding up and down.

n implement for digging or cutting the ground, consisting usually of an oblong and nearly rectangular blade of iron, with a handle like that of a shovel. "With spade and pickax armed." Milton.

A rectangular piece fitting grooves like key seats in a hub and a shaft, so that while the one may slide endwise on the other, both must revolve together; a feather; also, sometimes, a groove to receive such a rectangular piece.

e pile of hay, grain, straw, or the like, usually of a nearly conical form, but sometimes rectangular or oblong, contracted at the top to a point or ridge, and sometimes covered with thatch. But corn was housed, and beans were in the stack. Cowper.

d to which the barrel, lock, etc., of a musket or like firearm are secured; also, a long, rectangular piece of wood, which is an important part of several forms of gun carriage.