tachykinin

T1A1C3H4Y4K5I1N1I1N1

noun

Any of a family of widespread neuropeptides that excite neurons, evoke behavioral responses, and contract muscles.

OriginEnglish kinin ← Ancient Greek τᾰχῠ́ς (tăkhŭ́s) ← Proto-Indo-European *dʰn̥gʰ-ú-sder.? →
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Meanings

nountachykinin (plural tachykinins)

plural tachykinins

  1. biochemistryAny of a family of widespread neuropeptides that excite neurons, evoke behavioral responses, and contract muscles.

Origin

  1. Proto-Indo-European*dʰengʰ-
  2. Proto-Indo-European*dʰn̥gʰ-ú-sder.?
  3. Ancient Greekτᾰχῠ́ς (tăkhŭ́s)
  4. Englishtachy-
  5. Englishkinin
  6. Englishtachykinin

From tachy- + kinin.

Full word history & related roots →
Cite this entry
APA

tachykinin. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/tachykinin

MLA

“tachykinin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/tachykinin. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “tachykinin,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/tachykinin.

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