lignitic
/lɪɡˈnɪtɪk/
adjective
- Relating to or resembling lignite, a soft brown coal that is between peat and bituminous coal in quality.
- The lignitic deposits in this region are not as energy-rich as higher-grade coals.
- The power plant was designed to burn lignitic coal, which produces more ash than other types.
- Miners extracted lignitic material from the shallow seams near the surface.