coal

IPA: kˈoʊɫ

(uncountable) A black or brownish black rock formed from prehistoric plant remains, composed largely of carbon and burned as a fuel.
(countable) A type of coal, such as bituminous, anthracite, or lignite, and grades and varieties thereof, as a fuel commodity ready to buy and burn.
(countable) A piece of coal used for burning (this use is less common in American English)
(countable) A glowing or charred piece of coal, wood, or other solid fuel.
Charcoal.
(Internet slang) Content of low quality.
(military slang, World War I– World War II) Bombs emitting black smoke on impact.
(slang, obsolete) Money.
An unincorporated community in Henry County, Missouri, United States, named after early settler Stephen Coale.
An unincorporated community and coal town in Kanawha County, West Virginia, United States.
Four townships in the United States, in Missouri, Ohio (2), and Pennsylvania, listed under Coal Township.

(intransitive) To take on a supply of coal (usually of steam ships or locomotives).
(transitive) To supply with coal.
(intransitive) To be converted to charcoal.
(transitive) To burn to charcoal; to char.
(transitive) To mark or delineate with charcoal.

Examples of "coal" in Sentences

The next stage in coal formation is _bituminous coal_.
There are gradations from bituminous coal into _anthracite coal_.
I look forward to someone from the MSM asking Grayson directly whether coal is at present, clean.
Coal represents the last stage of the transformation of vegetable matter and the term coal covers a wide range of heat values and moisture contents.
Google: +coal +efficiency for comparisons of old and new technology, in terms of energy produced for a given amount of coal turned to carbon dioxide.
A variety of bituminous coal, called _cannel coal_, is characterized by an unusually high percentage of volatile matter, which causes it to ignite easily.
The Confederate cruiser Florida was at Bermuda repairing and taking in coal from a Confederate vessel, a supply of that article having been refused by the authorities.
Other health hazards specific to underground coal mining include coal dust, which can cause coal workers pneumoconiosis or anthracosis, often combined with silicosis.
For let me tell you, all you demobilised wallahs who know only those countries where the necessities of life were matters of private enterprise -- let me tell you that in this village, if I say that I require coal, _coal is here_, and with it the Bürgermeister inquiring politely if my needs are satisfied.