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rearm. [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.

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

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

perficial area. The thickness of this film, amounting to less than a thousandth of a millimeter, is considered to equal the radius of the sphere of molecular action, that is, the greatest distance at which there is cohesion between two particles. Particles lying below this film, being equally acted on from all sides, a…

A body of Hindoo literature containing aphorisms on grammar, meter, law, and philosophy, and forming a connecting link between the Vedic and later Sanscrit literature. Balfour (Cyc. of India).

rpose 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.

A recording or registering tachometer; also, its autographic record.

Measurement by a tachometer; the science or use of tachometers.

The science or use of the tachymeter. -- Ta`chy*met"ric (#), a.

siderable, 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.

the length of the tangent of an arc, the radius being reckoned unity. -- Tangent galvanometer (Elec.), a form of galvanometer having a circular coil and a short needle, in which the tangent of the angle of deflection of the needle is proportional to the strength of the current. -- Tangent of an angle, the natural ta…

ions in the strength of the current, which variations are indicated by a sensitive galvanometer. It is also used for measuring minute changes of temperature. T. A. Edison.

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

spect to heat or cold, especially as indicated by the sensation produced, or by the thermometer or pyrometer; degree of heat or cold; as, the temperature of the air; high temperature; low temperature; temperature of freezing or of boiling.

n of the substance, as the number of pounds per square inch, or kilograms per square centimeter, necessary to produce rupture.

A self-registering thermometer, especially one that registers the maximum and minimum during long periods. Nichol.

or pertaining to heat; due to heat; thermal; as, thermic lines. Thermic balance. See Bolometer. -- Thermic fever (Med.), the condition of fever produced by sunstroke. See Sunstroke. -- Thermic weight. (Mech.) Same as Heat weight, under Heat.

two dissimilar conductors used to produce a thermoelectric current, as in one form of pyrometer; a thermocouple.

Of or pertaining to a thermometer; as, the thermometrical scale or tube.