isopentenyl

I1S1O1P3E1N1T1E1N1Y4L1

noun

A univalent radical, CH₂=C(CH₃)-CH₂-CH₂-, derived from isopentene

“isopentenyl pyrophosphate”

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

nounisopentenyl (usually uncountable, plural isopentenyls)

plural isopentenyls

  1. uncountableusuallychemistryA univalent radical, CH₂=C(CH₃)-CH₂-CH₂-, derived from isopentene

    isopentenyl pyrophosphate

Origin

  1. Englishisopentene
  2. Proto-Indo-European*swel-der.?
  3. Ancient Greekῡ̔́λη (hū́lē)
  4. Englishisopentenyl

From isopentene + -yl.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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