nonactivatable

N1O1N1A1C3T1I1V4A1T1A1B3L1E1

adjective

Not activatable.

OriginEnglish activatable ← Middle English actyf ← Old French actif →
Scrabble 21
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Meanings

adjectivenonactivatable (not comparable)
  1. not comparableNot activatable.

    Fig. 15.8 Comparison of imaging with MPO(Gd) and a nonactivatable analog.

    2011, James C. Carr, Timothy J. Carroll, Magnetic Resonance Angiography: Principles and Applications, page 209
    2 more examples

    Tonic block of sodium channels by many local anesthetics, a partial block that is presence in the absence of hig-frequency activation, appears to be caused by a selective action of the drug on a nonactivatable form of closed channels (COURTNEY 1975) .

    2012, Gary R. Strichartz, Local Anesthetics, page 77

    In native Torpedo membranes, the nAChR exists in equilibrium between activatable resting and nonactivatable desensitized states, with the equilibrium strongly favoring the desensitized conformation (roughly 80:20 resting:desensitized) (Boyd & Cohen, 1980; Heidmann & Changeux, 1979).

    2017, John E. Baenziger, Jaimee A. Domville, J.P. Daniel Therien, “The Role of Cholesterol in the activation of nAChRs”, in Sterol Regulation of Ion Channels, page 104

Origin

  1. Proto-Indo-European*né
  2. Proto-Germanic*ne
  3. Proto-Indo-European*ís?
  4. Proto-Indo-European*h₁óynos
  5. Proto-Germanic*ainaz
  6. Proto-Germanic*nainaz
  7. Proto-West Germanic*nain
  8. Old Englishnān
  9. Middle Englishnon
  10. Old Englishnān
  11. Old Englishnān-
  12. Middle Englishnon-
  13. Englishnon-
  14. Proto-Indo-European*h₂eǵ-
  15. Proto-Indo-European*h₂éǵeti
  16. Proto-Italic*agō
  17. Latinagō
  18. Ancient Greekἐνεργητικός (energētikós)
  19. Latināctīvu
  20. Old Frenchactif
  21. Middle Englishactyf
  22. Englishactive
  23. Englishactivate
  24. Englishactivatable
  25. Englishnonactivatable

From non- + activatable.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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