| Coal(coal)
| | anthracite, anthracite_coal, bituminous_coal, coal, hard_coal, sea_coal, soft_coal, steam_coal |
| appearance as argument number 1 |
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| (documentation Coal EnglishLanguage "Coal is a black or brownish black solid combustible substance formed by the partial decomposition of vegetable matter without free access of air and under the influence of moisture and often increased pressure and temperature. Coal is a sedimentary rock containing a high proportion of carbon.") | Geography.kif 2010-2014 | |
| (externalImage Coal "http://upload.wikimedia.org/wikipedia/commons/7/72/ Coal_anthracite.jpg") | pictureList.kif 855-855 | |
| (roomTempState Coal Solid) | Mid-level-ontology.kif 32522-32522 | roomTempState coal and solid |
| (subclass Coal FossilFuel) | Geography.kif 2006-2006 | Coal is a subclass of fossil fuel |
| (subclass Coal Mineral) | Geography.kif 2005-2005 | Coal is a subclass of mineral |
| (subclass Coal Rock) | Geography.kif 2007-2007 | Coal is a subclass of rock |
| appearance as argument number 2 |
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| (industryProductType CoalMining Coal) | Economy.kif 1716-1716 | Coal is an industry product type of coal mining |
| (names "coal" Coal) | Geography.kif 2008-2008 | Coal has name "coal" |
| (subclass BrownCoal Coal) | Geography.kif 1991-1991 | Brown coal is a subclass of coal |
| (termFormat ChineseLanguage Coal "煤") | domainEnglishFormat.kif 15339-15339 | Brown coal is a subclass of coal |
| (termFormat ChineseTraditionalLanguage Coal "煤") | domainEnglishFormat.kif 15338-15338 | Brown coal is a subclass of coal |
| (termFormat EnglishLanguage Coal "coal") | domainEnglishFormat.kif 15337-15337 | Brown coal is a subclass of coal |
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