lignite

/lig-nahyt/US // ˈlɪg naɪt //UK // (ˈlɪɡnaɪt) //

褐煤,褐铁矿,褐土,褐煤的

Definitions

n.名词 noun

1
- : a soft coal, usually dark brown, often having a distinct woodlike texture, and intermediate in density and carbon content between peat and bituminous coal.

Some of the most valuable peat closely resembles lignite, and makes a good fuel.
This is a fossil resin, or gum, and may often be found in lignite beds.
Lignite or brown coal may contain only 50 per cent of carbon.
The most interesting feature of this formation is the lignite of Bovey Tracy, on the eastern edge of Dartmoor.
Bovey Tracy , six miles north-west of Newton Abbot, is noted for beds of clay and lignite, and for its potteries.