1. A brownish iron sulphide mineral (FeS) having weak magnetic properties
   - pyrrhotite, pyrrhotine

Type of: mineral

• foretop
• forever
• forever and a day
• forevermore
• forewarn
• forewarning
• forewing
• forewoman
• foreword
• forex
• foreyard
• forfeit
• forfeited
• forfeiture
• forfend
• forficate
• Forficula
• Forficula auricularia
• Forficulidae
• forgather
• forge
• forged
• forger
• forgery
• forget