1690s, "spiral ornament on an Ionic capital," from French volute (16c.), from Italian voluta, from Latin voluta "a spiral scroll," noun use of fem. past participle of volvere "to turn around, roll" (see volvox). Extended 1756 to any spiral thing or part. As a type of spiral seashell, it is attested from 1753.
雙語例句
1. Pump Volute - shaped shell made many, it is also called the volute.
泵殼多做成蝸殼形, 故又稱蝸殼.
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2. In 1689, French Physical scientist , Papin, invented 4 - impeller volute centrifugal pump.
1689年, 法國物理學家帕潘發明了四葉片葉輪的蝸殼離心泵.
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3. Does liquid level ever drop below volute top?
水位是否總是位于渦流頂部?
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4. It is found that vane diffuser restrains the influence of the volute on the impeller.
發現了葉片擴壓器對遏制蝸殼對葉輪內流場的影響有明顯的作用.
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5. Technology of step tongue volute is introduced and applied to a centrifugal fan for discharging lampblack.