polianite /pōˈli-ə-nīt/

A steel-grey mineral, manganese dioxide

• quinoids
• quinol
• quinoline
• quinolines
• quinolone
• quinolones
• quinols
• quinone
• quinones
• quinonoid
• quinqu-
• quinquagenarian
• quinquagenarians
• quinquagenary
• Quinquagesima
• quinquagesimal
• Quinquagesima Sunday
• quinque-
• quinquecostate
• quinquefarious
• quinquefoliate
• quinquennia
• quinquenniad
• quinquenniads
• quinquennial