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A variety or macaroni made in tubes of small diameter.

portion of the surface of a sphere included between two great semicircles having a common diameter. -- Spherical opening, the magnitude of a solid angle. It is measured by the portion within the solid angle of the surface of any sphere whose center is the angular point. -- Spherical polygon,portion of the surface of…

of the sphere, and the plane upon which the projection is made is at right andles to the diameter passing through the center of projection.

An iron brace across the shorter diameter of the link of a chain cable. Stud bolt, a bolt with threads on both ends, to be screwed permanently into a fixed part at one end and receive a nut upon the other; -- called also standing bolt.

firearm. [Written also subcalibre.] Subcaliber projectile, a projectile having a smaller diameter than the caliber of the arm from which it is fired, and to which it is fitted by means of a sabot. Knight.

ceive light and heat. Its mean distance from the earth is about 92,500,000 miles, and its diameter about 860,000.

ds (Math.), in an ellipse or hyperbola, any two chords drawn through the extremities of a diameter, and intersecting on the curve.

purpose of shaping it; -- said of a lathe; as, the lathe can swing a pulley of 12 inches diameter. To swing a door, gate, etc. (Carp.), to put it on hinges so that it can swing or turn.

Having a space equal to two diameters or four modules between two columns; -- said of a portico or building. See Intercolumniation. -- n.

considerable, or an unusual, extension upward; long and comparatively slender; having the diameter or lateral extent small in proportion to the height; as, a tall person, tree, or mast. Two of far nobler shape, erect and tall. Milton.

an object from an observer; as, a telescope with a micrometer for measuring the apparent diameter of an object whose real dimensions are known.

to a distance by means of swiftly moving ropes or cables driving grooved pulleys of large diameter.

A mass of building standing alone and insulated, usually higher than its diameter, but when of great size not always of that proportion.

A large pipe forming the piston rod of a steam engine, of sufficient diameter to allow one end of the connecting rod to be attached to the crank, and the other end to pass within the pipe directly to the piston, thus making the engine more compact.

, 3. Spherical ungula (Geom.), a part of a sphere bounded by two planes intersecting in a diameter and by a line of the surface of the sphere.

A fir pole of from four to seven inches diameter, and twenty to forty feet long, sometimes roughly hewn, used for scaffoldings, and sometimes for slight and common roofs, for which use it is split. [Spelt also ufer.] [Eng.] Gwilt.

the primary planets. It is about 1,800,000,000 miles from the sun, about 36,000 miles in diameter, and its period of revolution round the sun is nearly 84 of our years.

ing of a movable, open-ended, turban-shaped shell provided with two faces of nearly equal diameters, one above another, which rest upon two corresponding seats when the valve is closed. -- Equilibrium valve. (a) A balance valve. See under Balance. (b) A valve for permitting air, steam, water, etc., to pass into or out…

ury and that of the Earth, at a mean distance from the sun of about 67,000,000 miles. Its diameter is 7,700 miles, and its sidereal period 224.7 days. As the morning star, it was called by the ancients Lucifer; as the evening star, Hesperus.

is a native of Guiana and Brazil. Its large, spreading leaves are often over five feet in diameter, and have a rim from three to five inches high; its immense rose-white flowers sometimes attain a diameter of nearly two feet.