1. Not made pure

See also: impure

• percher
• Percheron
• perching bird
• perchlorate
• perchloric acid
• perchloride
• perchloromethane
• Percidae
• Perciformes
• Percina
• Percina tanasi
• percipient
• Percival Lowell
• percoid
• percoid fish
• Percoidea
• percoidean
• percolate
• percolation
• percolator
• Percomorphi
• Percophidae
• percuss
• percussion
• percussion cap