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Meaning of PETROLEUM

Pronunciation:  pu'trowleeum

 
WordNet Dictionary
 
 Definition: 
[n]  a dark oil consisting mainly of hydrocarbons
 

PETROLEUM is a 9 letter word that starts with P.

 

 Synonyms: coal oil, crude, crude oil, fossil oil, rock oil
 
 See Also: atomic number 6, C, carbon, fossil fuel, oil

 

 

Webster's 1913 Dictionary
 
 Definition: 
\Pe*tro"le*um\, n. [NL., fr. L. petra a rock + oleum
oil: cf. F. p['e]trole. Cf. {Petrify}, and {Oil}.]
Rock oil, mineral oil, or natural oil, a dark brown or
greenish inflammable liquid, which, at certain points, exists
in the upper strata of the earth, from whence it is pumped,
or forced by pressure of the gas attending it. It consists of
a complex mixture of various hydrocarbons, largely of the
methane series, but may vary much in appearance, composition,
and properties. It is refined by distillation, and the
products include kerosene, benzine, gasoline, paraffin, etc.

{Petroleum spirit}, a volatile liquid obtained in the
   distillation of crude petroleum at a temperature of
   170[deg] Fahr., or below. The term is rather loosely
   applied to a considerable range of products, including
   benzine and ligroin. The terms petroleum ether, and
   naphtha, are sometimes applied to the still more volatile
   products, including rhigolene, gasoline, cymogene, etc.

 
Thesaurus Terms
 
 Related Terms: avgas, benzine, coal oil, crude, crude oil, electricity, ethyl, ethyl gas, fossil oil, gas, gasoline, high-octane gas, high-test, illuminant, illuminating gas, kerosene, lead-free gas, light source, low-lead gas, luminant, motor oil, oil, paraffin, petrol, premium gas, regular, rock oil
 

 

 

 

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