Dictionary.com
definitions

arsenous

[ ahr-suh-nuh s ]
/ ˈɑr sə nəs /

adjective Chemistry.

containing arsenic in the trivalent state, as arsenous chloride, AsCl3.
of or derived from arsenous acid.

Nearby words

  1. arseno,
  2. arseno group,
  3. arseno-,
  4. arsenolite,
  5. arsenopyrite,
  6. arsenous acid,
  7. arsey,
  8. arshin,
  9. arsine,
  10. arsino
Also arsenious.

Origin of arsenous

First recorded in 1790–1800; arsen- + -ous
Can be confusedarsenous arsonous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019