What is another word for bone black?
Pronunciation: [bˈə͡ʊn blˈak] (IPA) 
Bone black is commonly known as animal charcoal and is made by charring animal bones in an oxygen-free environment. Some of the synonyms for bone black include ivory black, blue black or charcoal black. These synonyms are used interchangeably to indicate the dark black color obtained from animal bones. Another name for bone black is bone char, which is used for filtration and purification of certain chemicals. Sometimes, activated carbon is also referred to as bone black because of its similar physical properties and high adsorption capacity. Regardless of its name, bone black is a valuable industrial and agricultural material with a wide range of applications.
