CoalWordNet Explorer
Explore synonyms, antonyms, hypernyms, hyponyms, and semantic relationships for “coal” powered by Princeton WordNet.
a hot fragment of wood or coal that is left from a fire and is glowing or smoldering
a piece broken off or cut off of something else
fuel consisting of the remains of organisms preserved in rocks in the earth's crust with high carbon and hydrogen content
matter produced by plants or growing in the manner of a plant
an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds
a hard natural coal that burns slowly and gives intense heat
rich in tarry hydrocarbons; burns readily with a smoky yellow flame
intermediate between peat and bituminous coal