pyrites /pī- or pi-rīˈtēz/

1. A brassy yellow mineral, iron disulphide, crystallizing in the cubic system, occurring in octahedra, pyritohedra, etc (also called pyrite /pīˈrīt/, iron pyrīˈtēs, fool's gold)
2. Extended to a large class of mineral sulphides and arsenides

pyritic /pir-itˈik or pīr-itˈik/ or pyritˈical adjective

pyritifˈerous adjective

pyrˈitize or pyrˈitise transitive verb

To convert into, or replace by, pyrites

pyritohēˈdral adjective

pyritohēˈdron noun (pl pyritohēˈdra)

A pentagonal dodecahedron

pyrˈitous adjective

arsenical pyrites

Mispickel

cockscomb pyrites or spear pyrites

A twinned form of marcasite

copper pyrites

Sulphide of copper and iron, chalcopyrite, a mineral very similar to iron pyrites

• iMode®s
• i.m.p.
• imp
• Imp.
• impacable
• impact
• impact adhesive
• impacted
• impacted faeces
• impacted fracture
• impacted teeth
• impacted tooth
• impactful
• impacting
• impaction
• impactions
• impactite
• impactites
• impactive
• impactor
• impact parameter
• impact parameters
• impact printer
• impact printers
• impacts