SEMISUBMERSIBLE Definition & Meaning

semisubmersible

[ sem-ee-suhb-mur-suh-buhl, sem-ahy- ]

Phonetic (Standard)IPA

noun

Also called semisubmersible rig. a self-propelled barge that is mounted on partially submerged legs supported by underwater pontoons, rides at anchor, and serves as a work base and living quarters in deep offshore drilling operations.

adjective

of, for, or pertaining to a semisubmersible.

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51�Թ� History and Origins

Origin of semisubmersible¹

First recorded in 1960–65; semi- + submersible

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Example Sentences

Examples have not been reviewed.

In 2019, a 20-metre semisubmersible craft was intercepted after running aground off the coast of Galicia.

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The semisubmersible craft was made of fibreglass and plywood panels attached to a structural frame, had three portholes on one side and was painted light blue.

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Explosions rocked the rig on the evening of April 20th, 2010, after the ultra-deepwater semisubmersible rig Deepwater Horizon had just completed drilling another exploratory well.

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The huge semisubmersible oil rig detached in rough seas from a tug trying to bring it to Malta, and amid worries about pollution, it looked massive and forlorn as salvage crews tried to free it, and refloat it.

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Fukushima's turbine platform is a semisubmersible design with three buoyancy tanks arranged in a triangle around the turbine, Musial explains.

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