Ringelmann chart /ringˈg(ə)l-man chärt or -mən/

A chart giving a scale of shades of grey against which density of smoke may be gauged

• mardy
• mardying
• mare
• mare clausum
• mare clausums
• Marek's disease
• mare liberum
• mare liberums
• maremma
• maremme
• Marengo
• mares
• mareschal
• mareschals
• mare's-nest
• mare's-tail
• Mareva injunction
• Marfan syndrome
• Marfan syndromes
• marg
• marg.
• margaric
• margaric acid
• margarin
• margarine