- naphthene basic oil
- naphthene basic oil Naphthalin n
English-German dictionary of Architecture and Construction. 2013.
English-German dictionary of Architecture and Construction. 2013.
petroleum — petroleous, adj. /peuh troh lee euhm/, n. an oily, thick, flammable, usually dark colored liquid that is a form of bitumen or a mixture of various hydrocarbons, occurring naturally in various parts of the world and commonly obtained by drilling:… … Universalium