10. 
    bitumen
    any of various solid or semisolid mixtures of hydrocarbons that occur in nature or that are obtained as residues from the distillation of petroleum ... [10 related articles]
    Found op http://www.britannica.com/eb/a-z/b/70
    
    
11. 
    Bitumen
    Gooey, black, high-sulfur, heavy oil extracted from tar sand and then upgraded to synthetic fuel oil. See tar sand.
    Found op http://www.encyclo.co.uk/visitor-contributions.php
    
    
12. 
    BITUMEN
    Any of various mixtures of hydrocarbons occurring naturally or obtained through the distillation of coal or petroleum. (See Coat Tar Pitch and Asphalt)
    Found op http://www.proofrock.com/glossary.html
    
    
13. 
    Bitumen
    also called asphalt or tar, bitumen is the brown or black viscous residue from the vacuum distillation of crude petroleum. It also occurs in nature as asphalt 'lakes' and 'tar sands.' It consists of high molecular weight hydrocarbons and minor amounts of sulfur and nitrogen compounds.
    Found op http://www.noria.com/dictionary/default.html?definitionsearch=xqxqxqxq222&a
    
    
14. 
    Bitumen
    Any of various mixtures of hydrocarbons (as tar) often together with their non-metallic derivatives that occur naturally or are obtained as residues after heat-refining petroleum
    Found op http://www.pavement.com/glossary/A.html
    
    
15. 
    bitumen
    Any naturally-occurring hydrocarbon, including petroleum, but referring especially to the solid hydrocarbons such as wax, pitch, asphalt, and gilsonite. These are fusible and soluble in organic solvents, unlike the pyrobitumens.
    Found op http://www.daviddarling.info/encyclopedia/B/bitumen.html
    
    
16. 
    bitumen
    bitumen (bityOO'mun) a generic term referring to flammable, brown or black mixtures of tarlike hydrocarbons, derived naturally or by distillation from petroleum. It can be in the form of a viscous oil to a brittle solid, including asphalt, tars, and natural mineral waxes. Substances containing b...
    Found op http://www.infoplease.com/ce6/sci/A0807721.html
    
    
17. 
    Bitumen
    Bitumen is a natural inflammable pitchy hydrocarbon.
    Found op http://www.probertencyclopaedia.com/browse/GB.HTM
    
    
18. 
    Bitumen
    Bitumen is a rock formed from the decomposed remains of living organisms and occurs in four types, the best known being asphalt - which is used for road surfaces and roofing, other types being albertite, elaterite and ozokerite. Bitumen burnss like pitch, with much smoke and flame. It consists of 84...
    Found op http://www.probertencyclopaedia.com/browse/HB.HTM
    
    
19. 
    bitumen
    Involatile, tarry material, containing a mixture of hydrocarbons (mainly alkanes), that is the residue from the fractional distillation of crude oil (unrefined petroleum). Sometimes the term is restricted to a soft kind of pitch resembling asphalt. Naturally occurring solid bitumen may have arisen a...
    Found op http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0015235.html
    
    
20. 
    Bitumen
    a black tar-like substance. It was not used in mummification, as is often stated. The material used was resin, which is the sap from trees. Over time this became very black and was mistaken for bitumen.
    Found op http://www.egyptweb.norfolk.gov.uk/eggloss.htm
    
    
21. 
    Bitumen
    A tar like substance which when heated becomes liquid, and then hardens after cooling. Generally used for joining both layers of a flat felt roof.
    Found op http://www.douglasandgordon.com/about/glossary/b
    
    
22. 
    bitumen
    1) Asphalt 2) Asphalt ingredient 3) Hydrocarbon 4) Natural inflammable pitchy hydrocarbon
    Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/bitumen/1
    
    

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