1. Having four units or components
   - quadruple, quadruplex, fourfold, four-fold

1. Any four copies; any of four things that correspond to one another exactly
   "it was signed in quadruplicate"

1. Reproduce fourfold
   "quadruplicate the bill"

Derived forms: quadruplicating, quadruplicates, quadruplicated

See also: multiple, quadruple

Type of: copy, reproduce

• Robespierre
• robin
• Robin Goodfellow
• Robin Hood
• robin redbreast
• robin's plantain
• Robinia
• Robinia hispida
• Robinia pseudoacacia
• Robinia viscosa
• Robinson
• Robinson Crusoe
• Robinson Jeffers
• Robitussin
• roble
• roble beech
• robot
• robot bomb
• robot pilot
• robotic
• robotic telesurgery
• robotics
• robotics equipment
• robotlike
• robust