pyridyl

P3Y4R1I1D2Y4L1

noun

Any of three isomeric univalent radicals, C₅H₄N-, derived from pyridine; analogous to phenyl.

OriginAncient Greek ῡ̔́λη (hū́lē) ← Proto-Indo-European *swel-der.? ← English pyridine →
UncommonScrabble 16
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Meanings

nounpyridyl (plural pyridyls)

plural pyridyls

  1. chemistryAny of three isomeric univalent radicals, C₅H₄N-, derived from pyridine; analogous to phenyl.

Origin

  1. GermanPyridin
  2. Englishpyridine
  3. Proto-Indo-European*swel-der.?
  4. Ancient Greekῡ̔́λη (hū́lē)
  5. Englishpyridyl

From pyridine + -yl.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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