Etymology

equimolecular

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Today it means: Containing the same number of molecules (of two or more compounds) Full definition →

English molecular ← Latin aequi- ← Old Latin aiquos
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The story

  1. Proto-Italic*aikʷos?
  2. Old Latinaiquos
  3. Latinaequus
  4. Latinaequi-
  5. Englishequi-
  6. Englishmolecular
  7. English todayequimolecular

From equi- + molecular.

Etymology from Wiktionary, CC BY-SA 4.0.