sinopia /si-nōˈpi-ə/, also sinopis /-pis/

1. A reddish-brown pigment used for one of the preparatory drawings of a fresco, obtained from sinˈopite, an iron ore
2. A drawing so made

• quarter-horses
• quarter hour
• quarter-hourly
• quarter hours
• quarter-ill
• quartering
• quarterings
• quarter-jack
• quarter-jacks
• quarterlies
• quarterlight
• quarterlights
• quarterly
• quartermaster
• quartermaster-general
• quartermaster-generals
• quartermasters
• quartermaster-sergeant
• quartermaster-sergeants
• quarter-miler
• quarter-milers
• quartermistress
• quartern
• quartern loaf
• quartern loaves