As a noun petroleum
is petroleum.
As a proper noun orimulsion is
an emulsion of bitumen in water, used as an industrial fuel.
petroleum
Alternative forms
* (archaic)
Noun
(en-noun)
A flammable liquid ranging in color from clear to very dark brown and black, consisting mainly of hydrocarbons, occurring naturally in deposits under the Earth's surface.
Synonyms
* oil
* gas
* gasoline
* petroil
* petrol
Derived terms
* packaged petroleum product
* petroleum coke
* petroleum ether
* petroleum jelly
* petroleum spirit
Related terms
* (l)
orimulsion
English
Proper noun
An emulsion of bitumen in water, used as an industrial fuel.