Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A semiconductor device in which the capacitance is sensitive to the applied voltage at the boundary of the semiconductor material and an insulator.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun electronics A solid-state diode whose capacitance varies with the applied voltage.

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[var(iable) + (re)act(ance) + –or.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Blend of variable and reactor

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