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| so·no·buoy [ sónnə b ee, sónnə bòy, sáwnə bee, sáwnə bòy ] (plural so·no·buoys) |
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| Definition: |
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buoy transmitting detected underwater sounds: a buoy with equipment for detecting underwater noises and transmitting them by radio
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| [Mid-20th century. < Latin sonus "sound"] |
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