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Pronunciation: pĕ-trō′lē-ŭm
Definition: A mixture of liquid hydrocarbons found in the earth in various parts of the world and believed to be derived from fossilized animal and plant remains; the source of petrolatum, in addition to its use for lighting and heating purposes.
Synonym(s): coal oil, rock oil
[L. petra, rock, + oleum, oil]
Examples: glitazone, GI cocktail, etc.
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