nigrosine /nigˈrō-sēn or -ro-sin/ or nigrosin /nigˈrō-sin/

A blackish coal-tar colour dye

• paper-stainer
• paper-stainers
• paper tape
• paper tape punch
• poolside
• poolsides
• poon
• poonac
• poonacs
• poonce
• poonces
• poon-oil
• poons
• poontang
• poontangs
• poon-wood
• poop
• pooped
• pooper-scooper
• pooper-scoopers
• pooping
• poo-poo
• poops
• poop scoop
• poop scoops