helicon /helˈi-kon or -kən/

A circular bass tuba

• Dipteras
• dipterist
• dipterists
• dipterocarp
• Dipterocarpaceae
• dipterocarpaceous
• dipterocarpous
• dipterocarps
• dipteroi
• dipteros
• dipteroses
• dipterous
• dip the flag
• dip-trap
• dip-traps
• diptych
• diptychs
• dipyridamole
• diquat
• diquats
• Dir.
• Dirac's constant
• diram
• dirams
• dirdam