(In*duc"te*ous) a. (Elec.) Rendered electro-polar by induction, or brought into the opposite
electrical state by the influence of inductive bodies.
(In*duc"tile) a. [Pref. in- not + ductile: cf. F. inductile.] Not ductile; incapable of being drawn
into threads, as a metal; inelastic; tough.
(In`duc*til"i*ty) n. The quality or state of being inductile.
(In*duc"tion) n. [L. inductio: cf. F. induction. See Induct.]
1. The act or process of inducting or bringing in; introduction; entrance; beginning; commencement.
I know not you; nor am I well pleased to make this time, as the affair now stands, the induction of your
acquaintance.Beau. & Fl.
These promises are fair, the parties sure,Shak.
And our induction dull of prosperous hope.
2. An introduction or introductory scene, as to a play; a preface; a prologue. [Obs.]
This is but an induction: I will drawMassinger.
The curtains of the tragedy hereafter.
3. (Philos.) The act or process of reasoning from a part to a whole, from particulars to generals, or
from the individual to the universal; also, the result or inference so reached.
Induction is an inference drawn from all the particulars.Sir W. Hamilton.
Induction is the process by which we conclude that what is true of certain individuals of a class, is true
of the whole class, or that what is true at certain times will be true in similar circumstances at all times.J. S. Mill.
4. The introduction of a clergyman into a benefice, or of an official into a office, with appropriate acts or
ceremonies; the giving actual possession of an ecclesiastical living or its temporalities.
5. (Math.) A process of demonstration in which a general truth is gathered from an examination of
particular cases, one of which is known to be true, the examination being so conducted that each case
is made to depend on the preceding one; called also successive induction.
6. (Physics) The property by which one body, having electrical or magnetic polarity, causes or induces
it in another body without direct contact; an impress of electrical or magnetic force or condition from one
body on another without actual contact.
Electro-dynamic induction, the action by which a variable or interrupted current of electricity excites
another current in a neighboring conductor forming a closed circuit. Electro-magnetic induction,
the influence by which an electric current produces magnetic polarity in certain bodies near or around
which it passes. Electro-static induction, the action by which a body possessing a charge of statical
electricity develops a charge of statical electricity of the opposite character in a neighboring body.
Induction coil, an apparatus producing induced currents of great intensity. It consists of a coil or
helix of stout insulated copper wire, surrounded by another coil of very fine insulated wire, in which a
momentary current is induced, when a current passing through the inner coil, is made, broken, or varied.
The inner coil has within it a core of soft iron, and is connected at its terminals with a condenser;
called also inductorium, and Ruhmkorff's coil. Induction pipe, port, or valve, a pipe, passageway,
or valve, for leading or admitting a fluid to a receiver, as steam to an engine cylinder, or water to a pump.
Magnetic induction, the action by which magnetic polarity is developed in a body susceptible to
magnetic effects when brought under the influence of a magnet. Magneto-electric induction, the
influence by which a magnet excites electric currents in closed circuits.