va·rac·tor (v -r k tr, v-)n. A semiconductor device in which the capacitance is sensitive to the applied voltage at the boundary of the semiconductor material and an insulator. |
varactor [ˈvɛəˌræktə]
n
(Electronics) a semiconductor diode that acts as a voltage-dependent capacitor, being operated with a reverse bias Compare varistor
[probably a blend of variable reactor]
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