a type of electric furnace used for melting a charge of scrap by the heat produced by its own electrical resistance.
- Induction hardening
noun 1. a process in which the outer surface of a metal component is rapidly heated by means of induced eddy currents. After rapid cooling the resulting phase transformations produce a hard wear-resistant skin
noun 1. a method of heating a conducting material, as metal in a furnace, by using electromagnetic induction to establish a current in the material. noun 1. the heating of a conducting material as a result of the electric currents induced in it by an externally applied alternating magnetic field
- Induction loop system
noun 1. a system enabling partially deaf people to hear dialogue and sound in theatres, cinemas, etc, consisting of a loop of wire placed round the perimeter of a designated area. This emits an electromagnetic signal which is picked up by a hearing aid Often shortened to induction loop
- Induction period
induction period n. The interval between an initial injection of an antigen and the appearance of demonstrable antibodies in the blood.