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bar. -- Guide meridian. (Surveying) See under Meridian. -- Guide pile (Engin.), a pile driven to mark a place, as a point to work to. -- Guide pulley (Mach.), a pulley for directing or changing the line of motion of belt; an idler. Knight. -- Guide rail (Railroads), an additional rail, between the others, gripped…

r between a contact piece and an electromagnet, or of a rapidly moving piece mechanically driven.

Driven to the heart; infixed in the mind. "His heartstruck injuries." Shak.

up; a rising into roughness; tumultuous movement. [Archaic] Such fresh horror as you see driven through the wrinkled waves. Chapman.

on. Bacon. Bees with smoke and doves with noisome stench Are from their hives and houses driven away. Shak.

In California, a water wheel with radial buckets, driven by the impact of a jet.

on by touch; collision; forcible contact; force communicated. The quarrel, by that impact driven. Southey.

Driven together or close. Impacted fracture (Surg.), a fracture in which the fragments are driven into each other so as to be immovable.

by a moving body in virtue of its weight and its motion; the force with which any body is driven or impelled; momentum.

porated in any regiment. -- Independent seconds watch, a stop watch having a second hand driven by a separate set of wheels, springs, etc., for timing to a fraction of a second. -- Independent variable. (Math.) See Dependent variable, under Dependent.

A machine built as an induction motor and driven above synchronous speed, thus acting as an alternating-current generator; - - called also asynchronous generator. Below synchronism the machine takes in electrical energy and acts as an induction motor; at synchronism the power component of current becomes zero and chang…

water into a steam boiler by the direct action of the steam upon the water. The water is driven into the boiler by the impulse of a jet of the steam which becomes condensed as soon as it strikes the stream of cold water it impels; - - also called Giffard's injector, from the inventor.

A system of gearing driven by a horse power, for multiplying speed.

for connecting a percussion drill to the rod or rope which works it, so that the drill is driven down by impact and is jerked loose when jammed.

To drive or be driven against something; to strike against something; to clash; as, one heavy body knocks against another. Bacon.

An inclosure into which are driven wild elephants which are to be tamed and educated. [Ceylon]

efly for turning and boring metals, cutting screws, etc. -- Foot lathe, a lathe which is driven by a treadle worked by the foot. -- Geometric lathe. See under Geometric -- Hand lathe, a lathe operated by hand; a power turning lathe without an automatic feed for the tool. -- Slide lathe, an engine lathe. -- Throw la…

The boat of the largest size belonging to a ship of war; also, an open boat of any size driven by steam, naphtha, electricity, or the like. Launching ways. (Naut.) See Way, n. (Naut.).

less independently of the other parts of a machine, as, in some marine engines, a shaft, driven by a small auxiliary engine, for independently operating the valves of the main engine to insure uniform motion.

on; to induce; to entice; to allure; as, to lead one to espouse a righteous cause. He was driven by the necessities of the times, more than led by his own disposition, to any rigor of actions. Eikon Basilike. Silly women, laden with sins,led away by divers lusts. 2 Tim. iii. 6 (Rev. Ver.).