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

Derived forms: pyrrhotines

Type of: mineral

• initiator
• initiatory
• inject
• injectable
• injectant
• injection
• injector
• injudicious
• injudiciously
• injudiciousness
• Injun
• Odovakar
• odynophagia
• Odysseus
• odyssey
• Oecanthus
• Oecanthus fultoni
• OECD
• oecumenic
• oecumenical
• oecumenism
• OED
• oedema
• Oedipal
• Oedipal complex