petroleum

3 entries found for petroleum.
To select an entry, click on it.

petroleum liquefied petroleum gas petroleum jelly

Main Entry: pe·tro·leum
Pronunciation: p&-'trO-lE-&m, -'trOl-y&m
Function: noun
Etymology: Middle English, from Medieval Latin, from Latin petr- + oleum oil -- more at OIL
: an oily flammable bituminous liquid that may vary from almost colorless to black, occurs in many places in the upper strata of the earth, is a complex mixture of hydrocarbons with small amounts of other substances, and is prepared for use as gasoline, naphtha, or other products by various refining processes