Look up: coal

1. Coal
   Coal is a combustible mineral formed from organic matter (mostly plant material) that lived about 300 million years ago (during the Pennsylvanian Period ). During the Pennsylvanian Period, the earth was covered with huge swampy forests of giant ferns, horsetails, and club mosses. As layer upon layer...
   Found on http://www.enchantedlearning.com/subject
   
   
2. coal
   [n] - fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period 2. [v] - supply with coal 3. [v] - take in coal, as of a ship
   Found on http://www.webdictionary.co.uk/definitio
   
   
3. Coal
   A fossil fuel made from the remains of plants.
   Found on http://www.encyclo.co.uk/local/20442
   
   
4. Coal
   A fossil fuel which is made mostly of carbon. It is formed from plants that grew around 150 million years ago.
   Found on http://www.diracdelta.co.uk/science/sour
   
   
5. Coal
   During Carboniferous period much of world was covered with vegetation growing in swamps. This vegetation died and became submerged under water. As decomposition took place, vegetable matter lost oxygen and hydrogen atoms, leaving a peat deposit with a hig
   Found on http://www.chemicalglossary.net/definiti
   
   
6. Coal
   a carbon-rich mineral deposit made of the remains of fossil plant life. It is first deposited as peat, but over time is buried, compressed and heated which changes it physically and chemically. There are different grades of coal depending on the amount of water and gases left inside the deposit, and the percentage of carbon present
   Found on http://www.sedgwickmuseum.org/education/
   
   
7. coal
   includes all coal,both primary(including hard coal and lignite)and derived fuels(including patent,coke oven coke,gas coke,BKB,coke oven gas,and blast furnace gas).Peat is also included in this category Category: Mining
   Found on http://www.mijnwoordenboek.nl/definition
   
   
8. Coal
   Coal noun [ Anglo-Saxon col ; akin to Dutch kool , Old High German chol , cholo , German kohle , Icelandic kol , plural, Swedish kol , Danish kul ; confer Sanskrit jval to burn. Confer <...
   Found on http://www.encyclo.co.uk/webster/C/99
   
   
9. Coal
   Coal transitive verb [ imperfect & past participle Coaled ; present participle & verbal noun Coaling .] 1. To burn to charcoal; to char. [ R.] « Charcoal of roots, coaled...
   Found on http://www.encyclo.co.uk/webster/C/99
   
   
10. Coal
    Coal intransitive verb To take in coal; as, the steamer coaled at Southampton.
    Found on http://www.encyclo.co.uk/webster/C/99
    
    
11. coal
    A natural fuel formed by partial decomposition of vegetable matter under certain environmental conditions. ... (12 Dec 1998) ...
    Found on http://www.mondofacto.com/facts/dictiona
    
    
12. coal
    noun fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period
    Found on http://wordnetweb.princeton.edu/perl/web
    
    
13. coal
    verb take in coal; `The big ship coaled`
    Found on http://wordnetweb.princeton.edu/perl/web
    
    
14. coal
    verb supply with coal
    Found on http://wordnetweb.princeton.edu/perl/web
    
    
15. Coal
    • (n.) A thoroughly charred, and extinguished or still ignited, fragment from wood or other combustible substance; charcoal. • (v. i.) To take in coal; as, the steamer coaled at Southampton. • (v. t.) To mark or delineate with charcoal. • (n.) A black, or brownish black, solid, c...
    Found on http://thinkexist.com/dictionary/meaning
    
    
16. coal
    solid, usually brown or black, carbon-rich material that most often occurs in stratified sedimentary deposits. It is one of the most important of the ... [65 related articles]
    Found on http://www.britannica.com/eb/a-z/c/101
    
    
17. Coal
    A black or brownish black solid, combustible substance formed by the partial decomposition of vegetable matter without access to air. The rank of coal, which includes anthracite, bituminous coal, subbituminous coal, and lignite, is based on fixed carbon, volatile matter, and heating value. Coal rank indicates the progressive alt...
    Found on http://www.encyclo.co.uk/visitor-contrib
    
    
18. Coal
    Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams. The harder forms, such as anthracite coal, can be regarded as metamorphic rock because of later exposure to elevated temperature and pressure. Coal is c...
    Found on http://en.wikipedia.org/wiki/Coal
    
    
19. Coal
    Sedimentary rock composed of the compacted, lithified and altered remains of plants. Coal is a solid, combustible mixture of organic compounds, hydrocarbons, with 30% to 98% carbon by weight, mixed with various amounts of water and small amounts of sulfur and nitrogen compounds. It is formed in seve...
    Found on http://www.physicalgeography.net/physgeo
    
    
20. Coal
    A solid, brittle, more or less distinctly stratified combustible carbonaceous rock, formed by partial to complete decomposition of vegetation; varies in color from dark brown to black; not fusible without decomposition and very insoluble.
    Found on http://www.coaleducation.org/glossary.ht
    
    
21. coal
    The most abundant fossil fuel, derived from prehistoric plant materials that were exposed to high temperatures and pressure.
    Found on http://www.encyclo.co.uk/visitor-contrib
    
    
22. coal
    A hard, black mineral burned as a fuel. With its by-products coke and coal tar it is vital to many modern industries. Coal is the compressed remains of tropical and subtropical plants, especially those of the Carboniferous and Permian periods. Changes in the world climatic patterns explain why coal...
    Found on http://www.daviddarling.info/encyclopedi
    
    
23. coal
    coal, fuel substance of plant origin, largely or almost entirely composed of carbon with varying amounts of mineral matter.Sections in this article:IntroductionTypesFormationNatural Occurrence
    Found on http://www.infoplease.com/ce6/sci/A08126
    
    
24. Coal
    Coal is a solid, opaque, inflammable substance, mainly consisting of carbon, found in the earth, largely employed as fuel, and formed from vast masses of vegetable matter deposited through the luxuriant growth of plants in former epochs of the earth's history. In the varieties of coal in common use ...
    Found on http://www.probertencyclopaedia.com/brow
    
    
25. coal
    Black or blackish mineral substance formed from the compaction of ancient plant matter in tropical swamp conditions. It is used as a fuel and in the chemical industry. Coal is classified according to the proportion of carbon it contains. The main types are anthracite (shiny, with about 90% carbon...
    Found on http://www.talktalk.co.uk/reference/ency