Dictionary

semisubmersible

adjective semi·sub·mers·ible \-səb-ˈmər-sə-bəl\

Definition of SEMISUBMERSIBLE

:  being a floating deepwater drilling platform that is towed to a desired location and then partially flooded for stabilization and usually anchored
semisubmersible noun
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First Known Use of SEMISUBMERSIBLE

1962

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