Según Eurodicautom:

Spanish Term 1)betún;
2)betún asfáltico
Definition compuesto a base de asfalto y de residuos de la refinación del petróleo,que se ablanda con el calor y sirve para revestimiento de carreteras,protección de cañerías enterradas,fabricación de mástiques,barnices y pinturas,etc.
Reference Dicc Técnico Vial de la AIPCR,1991(1);
DANTERM 9720(1,DF);
ROU78(1,2)
Note {DOM} vías:materiales:ligantes
English Term 1)bitumen;
2)asphalt;
3)road bitumen;
4)asphaltic cement;
5)asphaltic bitumen
Definition a viscous liquid,semi-solid or solid,consisting essentially of hydrocarbons and their derivatives,which is soluble in carbon disulphide
Reference Technical Dict of Road Terms,PIARC,1990(1);
ISO 1998-I:1974(1,DF,NT);
IGU,Dict Gas Indus,1982(1,2);
ROU78(3,4,5)
Note {DOM} roads:materials:binders;
{REG} American English(2);
according to their properties,bitumens are used for emulsions,roofing,waterproofing,insulation,road construction,binding of aggregates,etc.It is obtained from the distillation of suitable crude oils by treatment of the residues(or occasionally of the heaviest fraction).It is also a component of naturally-occurring asphalt
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