1. Derived from Prussian blue 
2. Of, or derived from prussic (hydrocyanic) acid
   - hydrocyanic

Encyclopedia: Prussic

• trial-and-error
• trialed
• Trialeurodes
• Trialeurodes vaporariorum
• trialled
• trialogue
• triamcinolone
• triangle
• triangular
• triangular bandage
• triangular prism
• triangularity
• triangularly
• triangulate
• triangulation
• Triangulum
• Triangulum Australe
• triarchy
• Triassic
• Triassic period
• triathlon
• Triatoma
• triatomic
• Triavil
• triazine