1. Of an achromatic color of any lightness intermediate between the extremes of white and black
   - grey [Brit, Cdn], gray [US], greyish [Brit, Cdn]

See also: achromatic, neutral

• copper sulphate
• copper's nark
• copper-base alloy
• copper-bottom
• copper-bottomed
• copper-nickel
• copperas
• copperhead
• copperplate
• copperplate engraving
• coppersmith
• copperware
• coppery
• coppice
• Coppola
• copra
• copra oil
• Coprinaceae
• Coprinus
• Coprinus atramentarius
• Coprinus comatus
• coprolalia
• coprolite
• coprolith
• coprophagia