Sentence Examples


  • Ferri phosphas, a slate-blue powder of ferrous and ferric phosphates with some oxide.
  • Nitrate of silver is eliminated from the system very slowly and the objection to its employment continuously as a drug is that it is deposited in the tissues causing argyria, chronic silver poisoning, of which the most prominent symptom is dark slate-blue colour of the lips, cheeks, gums and later of the skin.