1. Acting as or providing a complement (something that completes the whole)
   - complementary, completing

See also: additive, complement

• Ranier
• ranitidine
• rank
• rank and file
• rank order
• rank-difference correlation
• rank-difference correlation coefficient
• rank-order correlation
• rank-order correlation coefficient
• rank-smelling
• ranked
• ranker
• Rankin
• Rankine
• Rankine scale
• ranking
• rankle
• rankly
• rankness
• ransack
• ransacked
• ransacker
• ransacking
• ransom
• ransom money