underactuation

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noun

Insufficient actuation

OriginEnglish actuation ← Medieval Latin āctuātus ← Latin āctuō →
Scrabble 17
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Meanings

noun
  1. Insufficient actuation

    The control problem in these systems is challenging, especially with gravity coupling and large deformations, because of inherent underactuation and the combination of lumped and distributed parameters of a nonlinear system.

    2016, Prasanna S. Gandhi, Pablo Borja, Romeo Ortega, “Energy Shaping Control of an Inverted Flexible Pendulum Fixed to a Cart”, in arXiv

Origin

  1. Proto-Indo-European*h₁én
  2. Proto-Indo-European*h₁entér
  3. Proto-Indo-European*h₂én
  4. Proto-Indo-European*dʰeh₁-?
  5. Proto-Indo-European*(H)n̥dʰí
  6. Proto-Indo-European*(H)n̥dʰér
  7. Proto-Germanic*under
  8. Proto-West Germanic*undar
  9. Old Englishunder-
  10. Middle Englishunder-
  11. Englishunder-
  12. Proto-Indo-European*h₂eǵ-
  13. Proto-Indo-European*h₂éǵeti
  14. Proto-Italic*agō
  15. Latinagō
  16. Latināctus
  17. Latināctuō
  18. Medieval Latināctuātus
  19. Englishactuate
  20. Englishactuation
  21. Englishunderactuation

From under- + actuation.

Full word history & related roots →
Cite this entry
APA

underactuation. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/underactuation

MLA

“underactuation.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/underactuation. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “underactuation,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/underactuation.

Source: underactuation on Wiktionary, CC BY-SA 4.0.