Word.ws English Dictionary

undervolt

undervolt noun: a significant drop in voltage.

Noun

undervolt (plural undervolts)

  1. A significant drop in voltage.
    • For all she knew, there would be an EMP or a power outage or an undervolt, and she'd lose everything she'd just done.2011, Mercedes Lackey, Rosemary Edghill, Conspiracies
    • The spacecraft radio was transmitting with the high-gain antenna—a sort of stick with reflectors that had to be aimed as precisely as a rifle—and it crossed Kranz's mind that since the antenna ran on power from Main Bus B, the undervolt might somehow have caused the change; if that was so, then the...2013, Henry S. F. Cooper, Thirteen: The Apollo Flight That Failed

Verb

undervolt (third-person singular simple present undervolts, present participle undervolting, simple past and past participle undervolted)

  1. To reduce the voltage of (a component) below the normal level.
    • A voltage curve which slopes, having a 33%-50% difference between the commencing and final values, makes the source of power from which it emanates unsuitable for some purposes owing to the necessity for either constant adjustment of the circuit values or overvolting the circuit to start with, with...1927, International Railway Congress Association, Monthly Bulletin - Volume 9, page 777
    • If the lamp is undervolted the burning rate of the carbons will decrease and they will tend to feed together, but as they approach each other the arc is shortened and the arc voltage drops.1947, Society of Motion Picture Engineers, Journal of the Society of Motion Picture Engineers

Examples of undervolt in a sentence

  • Based on our previous tests with hydrogen, we will not be able to undervolt the switch enough to achieve 10 kHz.1991, Technical Digest:
  • The "-gpu-vddc 1.087" switch tells cgminer to attempt to undervolt all GPUs to 1087 mV, but whether or not it actually works depends on your card's BIOS and driver.2013, John Stevenson, Getting started with Litecoins (after Bitcoin), page 59:

Forms of undervolt

Noun
pluralundervolts
Verb
third-person singular presentundervolts
present participleundervolting
past participleundervolted
pastundervolted

Origin of undervolt

From under- + volt.

Questions about undervolt

What does undervolt mean?
Undervolt means a significant drop in voltage.
How do you use undervolt in a sentence?
Based on our previous tests with hydrogen, we will not be able to undervolt the switch enough to achieve 10 kHz.
What part of speech is undervolt?
Undervolt can be a noun or a verb.
What is the plural of undervolt?
The plural of undervolt is undervolts.

Words near undervolt in the dictionary

  1. undervitalized
  2. undervoice
  3. undervoiced
  4. undervoices
  5. undervoicing
  6. undervolt
  7. undervoltage
  8. undervoltages
  9. undervolted
  10. undervolting
  11. undervolts

Source and license

Adapted from Wiktionary: undervolt (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-undervolt.wav.

Cite this entry: “undervolt.” Word.ws, https://word.ws/undervolt. Based on Wiktionary, CC BY-SA 4.0.