1. One genus; usually included in family Hydrangeaceae
   - Philadelphaceae

Type of: rosid dicot family

Part of: family Hydrangeaceae, hydrangea family, Hydrangeaceae

• Collinsonia
• Collinsonia canadensis
• Collis Potter Huntington
• collision
• collision course
• Collocalia
• Collocalia inexpectata
• collocate
• collocate with
• collocation
• collodion
• collogue
• colloid
• colloidal
• colloidal gel
• colloidal solution
• colloidal suspension
• colloidally
• collop
• colloq.
• colloquial
• colloquialism
• colloquially
• colloquium
• colloquy