a combining form representing arsenic or arseno group in the formation of compound words: arsenopyrite.

Nearby words

  1. arsenite,
  2. arseniuretted,
  3. arseniuretted hydrogen,
  4. arseno,
  5. arseno group,
  6. arsenolite,
  7. arsenopyrite,
  8. arsenous,
  9. arsenous acid,
  10. arsey

Also especially before a vowel, arsen-.

Origin of arseno- Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019