| 单词 | paraboloidal |
| 释义 | paraboloidal (once / 787955 pages) adj WORD FAMILY paraboloid: paraboloidal, paraboloids+/parabola: parabolas, parabolic, paraboloid/parabolic: parabolically USAGE EXAMPLESThese reflectors were formed of facets of mirror-glass placed in hollow paraboloidal moulds of plaster. Whymper, Frederick, The Sea: Its Stirring Story of Adve...(2012) Its upper surface is paraboloidal in shape, as a spherical surface will not unite in a sharp focus the rays coming from a distant object. Hale, George Ellery, The New Heavens(2010) It consists essentially of a resonant vessel, usually of paraboloidal form, closed at one end by a flexible membrane. Project Gutenberg, The Gutenberg Webster's Unabridged...(2010) adj having the shape of a paraboloid Syn rounded curving and somewhat round in shape rather than jagged |
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