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单词 volution
释义

Collins Concise English Dictionary © HarperCollins Publishers::
voˈlution /vəˈluːʃən/ n
  1. a rolling, revolving, or spiral form or motion
  2. a whorl of a spiral gastropod shell
WordReference Random House Unabridged Dictionary of American English © 2024
vo•lute  (və lo̅o̅t),USA pronunciation n. 
  1. a spiral or twisted formation or object.
  2. Architecturea spiral ornament, found esp. in the capitals of the Ionic, Corinthian, and Composite orders.
  3. Building[Carpentry.]a horizontal scrolled termination to the handrail of a stair.
  4. Zoology
    • a turn or whorl of a spiral shell.
    • any of various tropical marine gastropods of the family Volutidae, many species of which have shells prized for their coloration.
  5. the spiral casing surrounding the impeller of a volute pump.

adj. 
  1. Architecturehaving a volute or rolled-up form.
  2. [Mach.]
    • Mechanical Engineeringspirally shaped or having a part so shaped.
    • Mechanical Engineeringmoving in a circular way, esp. if combined with a lateral motion.
  • Latin volūta, feminine of volūtus, past participle of volvere to turn. See revolve
  • French)
  • (1690–1700
vo•luted, adj. 
vo•lution, n. 

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