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| bath·y·scaphe [ báthə skàf, báthə skàyf ] (plural bath·y·scaphes) or bath·y·scaph [ báthə skàf ] (plural bath·y·scaphs) |
noun |
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| Definition: |
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submersible deep-sea research vessel: a deep-sea research vessel that has a large flotation hull and an observation cabin attached to its underside, and can dive to depths over 10,000 m (6.2 mi)
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| [Mid-20th century. <bathy- + Greek skaphos "ship"] |
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