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IGBT
Abbreviation of Insulated Gate Bipolar Transistor.
IGFET
Any field-effect transistor that has an insulated gate.
Igneous Rocks
Rocks that are formed from melted rock that has cooled and solidified.
Ignition Advance
The amount before the piston reaches the top of its travel that the spark fires to ignite the mixture.
Ignition Delay
The length of time or number of degrees of crankshaft rotation between the beginning of injection and ignition of the fuel.
Ignition Quality
The ability of a fuel to ignite when it is injected into the compressed-air charge in a diesel cylinder quantified by the cetane number.
Ignition System
A system for igniting a fuel-air mixture.
Ignition Timing
The time of occurrence of ignition measured in degrees of crankshaft rotation relative to TDC (Top Dead Centre).
Ignitron
A mercury-pool type of rectifier tube employing mercury-vapour ionization.