Term: bituminous coal: rich in tarry hydrocarbons; burns readily with a smoky yellow flame
Broader: coal: fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period | Unrelated: walking leaf: tropical insect having a flattened leaflike body; common in southern Asia and the East Indies
Broader: coal: fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period | Unrelated: typhaceae: perennial marsh plants with creeping rootstocks and long linear leaves
Broader: coal: fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period | Unrelated: darner: a person who mends by darning
Broader: coal: fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period | Unrelated: claret: a dark purplish-red color
Broader: coal: fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period | Unrelated: national oceanic and atmospheric administration: an agency in the Department of Commerce that maps the oceans and conserves their living resources; predicts changes to the earth's environment; provides weather reports and forecasts floods and hurricanes and other natural disasters related to weather
Broader: coal: fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period | Unrelated: counterglow: a faint spot of light in the night sky that appears directly opposite the position of the sun; a reflection of sunlight by micrometeoric material in space
Broader: coal: fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period | Unrelated: formality: a requirement of etiquette or custom
Broader: coal: fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period | Unrelated: challenge: a demanding or stimulating situation
Broader: coal: fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period | Unrelated: broad-leaved plantain: common European perennial naturalized worldwide; a troublesome weed
Broader: coal: fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period | Unrelated: negligee: a loose dressing gown for women