anthracic
/ˈænθrækɪk/Definitions
1. adjective
relating to or characteristic of coal, especially coal that has been burned or is impure
“The anthracic coal deposit was discovered in the rural area.”
2. noun
a type of coal that is hard and compact
“The anthracic coal is primarily used for industrial purposes.”
3. adjective
relating to or characteristic of a dark, rich soil
“The gardeners used the anthracic soil to enhance their plants’ growth.”