polianite /pōˈli-ə-nīt/

A steel-grey mineral, manganese dioxide

• long robe
• long-running
• longs
• longs and shorts
• long sheep
• longship
• longships
• longshore
• longshore drift
• longshoreman
• longshoremen
• long shot
• long shots
• long-sighted
• long-sightedly
• long-sightedness
• long sin
• long since
• long sixes
• long-sixes
• longsome
• long-spun
• longspur
• longspurs
• long-standing