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crude oil
(Encyclopedia)crude oil: see petroleum.oil beetle
(Encyclopedia)oil beetle: see blister beetle.oil spill
(Encyclopedia)oil spill: see water pollution. ...palm oil
(Encyclopedia)palm oil: see under palm.communications industry
(Encyclopedia)communications industry, broadly defined, the business of conveying information. Although communication by means of symbols and gestures dates to the beginning of human history, the term generally ref...cod-liver oil
(Encyclopedia)cod-liver oil, yellowish oil obtained from the liver of the codfish. The oil is rich in vitamin A and vitamin D (calciferol). It was long used as a preventive and cure for rickets in Baltic and Scandi...mine, in industry
(Encyclopedia)mine, in industry: see mining.oil of vitriol
(Encyclopedia)oil of vitriol: see sulfuric acid. ...oil of wintergreen
(Encyclopedia)oil of wintergreen: see salicylic acid. ...oil of bitter almond
(Encyclopedia)oil of bitter almond: see benzaldehyde. ...Browse by Subject
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