Motors Part 21
=Deviate.= To avoid; to get around; not going or doing in the regular way.
=Diagram.= A mechanical plan or outline, as distinguished from a perspective drawing.
=Diametrically.= Across or through the object; through the center.
=Dioxide.= An oxide containing two atoms of oxygen to the molecule.
=Direct current.= An electric current which flows continuously in one direction.
=Dissipated.= Changed, or entirely dispensed with; usually applied to a condition where materials or substances are scattered.
=Distributer.= A piece of mechanism in an electric circuit, which switches the current from one part to the other.
=Dissect.= To take apart.
=Dominating.= Overpowering; having greatest power.
=Diverse.= Different; unlike.
=Dry Cell.= A battery in which the electrolyte is not in a fluid state.
=Duct.= Either an open trough or conduit, or a closed path for the movement of gases or liquids.
=Dynamo.= A mechanical device for the purpose of generating electricity.
=Eccentric.= A wheel having its perimeter so formed that the center is not in the exact middle portion.
=Economy.= Prudence; carefulness; not disposed to be excessive.
=Efficiency.= Well adapted for the situation; mechanism which will do the work perfectly, or cheaply.
=Effectiveness.= Well done; to the best advantage.
=Ejecting.= Throwing out; sending forth.
=Elastic.= That quality of material which tends to cause it to return to its original shape when distorted.
=Elementary.= Primitive; the first; in the simplest state.
=Electric arc.= A term applied to the current which leaps across the slightly separated ends of an electric conductor.
=Electricity.= An agent, incapable of being seen, but which produces great energy.
=Electrolyte.= The agent, or material in a battery, usually a liquid, which the current pa.s.ses through in going from one electrode to the other.
=Elliptical.= A form which might be expressed by the outline shape of an egg, measured from end to end.
=Emolument.= Pay; remuneration; the amount received for employment of any kind.
=Emission.= To send out from; a sending or putting out.
=Energy.= Force; power.
=Essential.= The main thing; the important element.
=Evaporate.= To convert into vapor, usually by heat.
=Exhaust.= The discharge part of an engine, or other apparatus.
=Excessive.= Too much; more than is required.
=Expansion.= Enlarged; the occupying of a greater s.p.a.ce.
=Explicit.= Particularly definite; carefully explained and understood.
=External.= Outside; the outer surface.
=Facilitating.= Helping; aiding in anything.
=Factor.= An element in a problem.
=Fahrenheit.= One of the standards of heat measurement. A thermometer scale, in which the freezing point of water is 32, and the boiling temperature is 212.
=Fascinating.= Attractiveness; capacity to allure.
=Feathered.= Applied to the shape of an article, or to a rib on the side of a shaft, which is designed to engage with a groove.
=Fertilizer.= Material for enriching soil and facilitating the growth of vegetables.
=Field.= A term applied to the windings and the pole pieces of a dynamo or motor, which magnetically influence the armature.
=Focal.= The point; the place to which all the elements or forces tend.
=Foot pounds.= The unit of mechanical work, being the work done in moving one pound through a distance of one foot.
=Four-cycle.= A gasoline engine, in which the ignition of the compressed hydro-carbon gases takes place every other revolution.
=Formation.= The arrangement of any mechanism, or a series of elements.
=Formula.= The recipe for the doing of a certain thing; a direction.
=Friction.= A r.e.t.a.r.ding motion; the prevention of a free movement.
=Function.= The qualities belonging to an article, machine or thing; that which a person is capable of performing.
=Fundamental.= The basis; the groundwork of a thing.