Etymology

biradical

B3I1R1A1D2I1C3A1L1

Today it means: any molecule having two independent radical centres Full definition →

English radical ← Latin bi- ← Proto-Italic *dwi-
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The story

  1. Proto-Indo-European*dwóh₁
  2. Proto-Indo-European*dwi-
  3. Proto-Italic*dwi-
  4. Latinbi-
  5. Englishbi-
  6. Englishradical
  7. English todaybiradical

From bi- + radical.

Etymology from Wiktionary, CC BY-SA 4.0.