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Some sample entries:
SLAVE UNIT
A machine controlled by or through another machine. A subsidiary device that is controlled by or responds to the primary or master device, e.g. a computer connected to and controlled by a master computer, a flash slave unit in photography that responds to the light output of the first flash.
DASHPOT
A device to absorb energy and hence dampen motion, e.g. to cushion shocks or to reduce bridge vibrations. It is often a piston immersed in a cylinder carrying a viscous fluid such as oil. The damping force generated by a dashpot on any attached element is directly proportional to the velocity of that element.
FARADAY CAGE
[elec] Also Faraday shield, Faraday screen. A shield, of wire mesh or parallel wires usually connected to another conductor which is grounded, to protect whatever is inside from electric fields generated by static electricity - it collects stray charges and stores them on the outside surface. Used e.g. to protect sensitive radio or communications equipment.
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