heptahedron/heptəʹheedrən/ noun (pl heptahedrons heptahedra /-drə/)

• intermediate technology
• interment
• intermezzo
• interminable
• intermingle
• intermission
• intermit
• intermittent
• intermix
• intermolecular
• in terms of
• intern
• internal
• internal-combustion engine
• internalize
• internal market
• internal rhyme
• international
• International Baccalaureate
• International Date Line
• Internationale
• internationalise
• internationalism
• internationalize
• international law