Definition of varistor in English:
 varistor
noun vɛːˈrɪstəvəˈrɪstəvəˈristər
A semiconductor diode with resistance dependent on the applied voltage.
 Example sentencesExamples
-  Otherwise, the damaged varistor material adversely affects the leakage current characteristics of the varistor chips.
 -  The range is built by optimising combinations of various styles of inductors with the appropriate capacitors, varistors and other components to give a comprehensive range of suppression levels.
 -  Because the shunt path creates a short circuit, the varistor and the line fuse are subject to be damaged or weakened in the process.
 -  The varistor and the surge absorber protect electronic circuits from switching surge and static electricity.
 -  Epcos has developed the new LS41 and LS42 series of varistors with higher surge current capability.
 
Origin
  
1930s: contraction of varying resistor.