Etymology

heterocyclyl

H4E1T1E1R1O1C3Y4C3L1Y4L1

Today it means: any univalent radical derived from a heterocycle be removal of an atom of hydrogen from any ring atom Full definition →

Ancient Greek ῡ̔́λη (hū́lē) ← English heterocycle
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The story

  1. Englishheterocycle
  2. Ancient Greekῡ̔́λη (hū́lē)
  3. English todayheterocyclyl

From heterocycle + -yl.

Etymology from Wiktionary, CC BY-SA 4.0.