Related Clues:

• Prefix with -hedron
• Numerical prefix
• Metric prefix
• Prefix with -gon
• Ten in front?
• Ten: Prefix
• Ten, for openers
• Geometric prefix
• Prefix meaning ''ten''
• Prefix with pod
• Geometry prefix
• Prefix for ''ten''
• Penta- doubled
• Nona- plus one
• Pod opening