DictionaryForumContacts

   Polish
Google | Forvo | +
bituminy f
environ. bitumen (naturalne produkty stanowiące mieszaninę węglowodorów łańcuchowych i cyklicznych, a często również ich pochodnych zawierających tlen, azot, siarkę; A generic term applied to natural inflammable substances of variable colour, hardness, and volatility, composed principally of a mixture of hydrocarbons substantially free from oxygenated bodies. Bitumens are sometimes associated with mineral matter, the nonmineral constituents being fusible and largely soluble in carbon disulfide, yielding water-insoluble sulfonation products. Petroleum, asphalts, natural mineral waxes, and asphaltites are all considered bitumens)