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| jack-up (plural jack-ups) or jack-up rig (plural jack-up rigs) |
noun |
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| Definition: |
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oil rig with retractable legs: an offshore oil rig with a floating hull and retractable legs that can be lowered to the seabed for support
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| Encarta® World English Dictionary [North American Edition] © & (P)2007 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc. |
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