Look up: bitumen

1. bitumen
   Dark, naturally occurring solid or semisolid substances composed mainly of a mixture of hydrocarbons with little oxygen, nitrogen, or sulfur.
   Found on http://cdiac.ornl.gov/glossary.html
   
   
2. bitumen
   [n] - any of various naturally occurring impure mixtures of hydrocarbons
   Found on http://www.webdictionary.co.uk/definitio
   
   
3. Bitumen
   is a viscous liquid, or a solid, which consists largely of hydrocarbons and their derivatives. It softens gradually on volatile. It occurs naturally as bitumen and, in conjunction with mineral matter, as asphalt. It is also produced as a by-product of petroleum refining. It is used as a water-proofing and binding agent.
   Found on http://www.encyclo.co.uk/visitor-contrib
   
   
4. Bitumen
   A name used to describe many different mixtures of hydrocarbons, also called asphalt or tar, bitumen is the brown or black viscous residue from the vacuum distillation of crude petroleum. Often produced by the processing of coal or oil, used in asphalt or tar for road surfacing or waterproofing. It ...
   Found on http://www.diracdelta.co.uk/science/sour
   
   
5. bitumen
   A viscous liquid or solid material black or dark brown in colour, having adhesive properties, consisting essentially of hydrocarbons, derived from petroleum for occurring in natural asphalt and soluble in carbon disulphide. Straight run bitumen - obtained after the final stage of distillation of cru...
   Found on http://www.encyclo.co.uk/local/20708
   
   
6. Bitumen
   a viscous material remaining after the volatile fractions of crude oil have been separated by distillation.
   Found on http://www.energyinst.org.uk/education/g
   
   
7. Bitumen
   A naturally-occurring, non-drying, tarry substance used in paint mixtures, especially to enrich the appearance of dark tones. Bitumen became very popular as a paint additive in the late eighteenth century and early nineteenth. However, because it does not dry it eventually causes often severe darken...
   Found on http://www.tate.org.uk/collections/gloss
   
   
8. bitumen
   a viscous liquid,semi-solid or solid,consisting essentially of hydrocarbons and their derivatives,which is soluble in carbon disulphide Category: Building industry
   Found on http://www.mijnwoordenboek.nl/definition
   
   
9. 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 on http://www.rookinspections.com/glossary/
   
   
10. Bitumen
    Viscous liquid, or solid, consisting essentially of hydrocarbons and their derivatives, which is soluble in Methylene Chloride and is substantially non-volatile and softens gradually when heated. It is black or brown in colour and possesses water proofing and adhesive properties. It is obtained by refinery processes from petroleum, and is also foun …
    Found on http://www.encyclo.co.uk/visitor-contrib
    
    
11. Bitumen
    Bi·tu'men noun [ Latin bitumen : confer French bitume . Confer Béton .] 1. Mineral pitch; a black, tarry substance, burning with a bright flame; Jew's pitch. It occurs as an abundant natural product in many places, as on th...
    Found on http://www.encyclo.co.uk/webster/B/59
    
    
12. bitumen
    noun any of various naturally occurring impure mixtures of hydrocarbons
    Found on http://wordnetweb.princeton.edu/perl/web
    
    
13. Bitumen
    • (n.) By extension, any one of the natural hydrocarbons, including the hard, solid, brittle varieties called asphalt, the semisolid maltha and mineral tars, the oily petroleums, and even the light, volatile naphthas. • (n.) Mineral pitch; a black, tarry substance, burning with a bright fl...
    Found on http://thinkexist.com/dictionary/meaning
    
    
14. 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 on http://www.britannica.com/eb/a-z/b/70
    
    
15. Bitumen
    Gooey, black, high-sulfur, heavy oil extracted from tar sand and then upgraded to synthetic fuel oil. See tar sand.
    Found on http://www.encyclo.co.uk/visitor-contrib
    
    
16. 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 on http://www.proofrock.com/glossary.html
    
    
17. 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 on http://www.noria.com/dictionary/default.
    
    
18. 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 on http://www.pavement.com/glossary/A.html
    
    
19. 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 on http://www.daviddarling.info/encyclopedi
    
    
20. 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 on http://www.infoplease.com/ce6/sci/A08077
    
    
21. Bitumen
    Bitumen is a natural inflammable pitchy hydrocarbon.
    Found on http://www.probertencyclopaedia.com/brow
    
    
22. 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 on http://www.probertencyclopaedia.com/brow
    
    
23. 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 on http://www.talktalk.co.uk/reference/ency
    
    
24. 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 on http://www.egyptweb.norfolk.gov.uk/egglo
    
    
25. 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 on http://www.douglasandgordon.com/about/gl