oil trap
noun
1A device in which oil can be trapped, or which makes use of oil to trap something else.
2 Geology an underground rock formation in which an accumulation of oil is trapped.
Origin
1920s; earliest use found in Science.
- archduchy
- archduke
- archdukedom
- Archean
- arched
- archegonium
- impregnability
- impregnable
- impregnably
- impregnate
- impregnation
- impresario
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- impression
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- impressionism
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- impressionistically