1. A dark green dye used as a stain, an antiseptic, a chemical indicator, and an antidote in cyanide poisoning
   - methylene blue

Type of: stain, thiazine

• trichrome
• trichuriasis
• Trichys
• Trichys lipura
• trick
• trick or treat
• trick out
• trick up
• trick-or-treating
• tricked-out
• tricker
• trickery
• trickily
• trickiness
• trickle
• trickle-down
• trickster
• tricksy
• tricky
• triclinic
• triclinium
• tricolor
• tricolor television tube
• tricolor tube
• tricolour