Semi-submersible

sem·i·sub·mers·i·ble

[sem-ee-suhb-mur-suh-buhl, sem-ahy-]
noun
1.
Also called semisubmersible 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
2.
of, for, or pertaining to a semisubmersible.

Origin:
1960–65; semi- + submersible

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Based on the Random House Dictionary, © Random House, Inc. 2013.
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00:10
Semi-submersible is always a great word to know.
So is ninnyhammer. Does it mean:
a fool or simpleton; ninny.
a stew of meat, vegetables, potatoes, etc.
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