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词汇 prolate
释义

Definition of prolate in English:

prolate

adjective ˈprəʊleɪtˈprōˌlāt
Geometry
  • (of a spheroid) lengthened in the direction of a polar diameter.

    〔几何〕(球体)长球形的,扁长的,长椭圆形的。常与OBLATE 2相对

    Often contrasted with oblate
    Example sentencesExamples
    • Its shape resembles that of a prolate ellipsoid.
    • This ratio suggests that the enzyme-inhibitor complex can be described as prolate ellipsoid, for reasons discussed before.
    • Hydrodynamic and small angle x-ray scattering measurements show that plant MSP has an extended, prolate ellipsoid shape in solution.
    • The corresponding axial ratios were 1.14 for a prolate ellipsoid and 1.16 for an oblate ellipsoid.
    • The equations were further confirmed by observing the shape of the earth to be oblate spheroidal, as Newton claimed it should be, rather than prolate spheroidal, as claimed by the Cartesians.

Origin

Late 17th century: from Latin prolatus 'carried forward', past participle of proferre 'prolong', from pro- 'forward' + ferre 'carry'.

Definition of prolate in US English:

prolate

adjectiveˈprōˌlāt
Geometry
  • (of a spheroid) lengthened in the direction of a polar diameter.

    〔几何〕(球体)长球形的,扁长的,长椭圆形的。常与OBLATE 2相对

    Often contrasted with oblate
    Example sentencesExamples
    • The corresponding axial ratios were 1.14 for a prolate ellipsoid and 1.16 for an oblate ellipsoid.
    • The equations were further confirmed by observing the shape of the earth to be oblate spheroidal, as Newton claimed it should be, rather than prolate spheroidal, as claimed by the Cartesians.
    • This ratio suggests that the enzyme-inhibitor complex can be described as prolate ellipsoid, for reasons discussed before.
    • Hydrodynamic and small angle x-ray scattering measurements show that plant MSP has an extended, prolate ellipsoid shape in solution.
    • Its shape resembles that of a prolate ellipsoid.

Origin

Late 17th century: from Latin prolatus ‘carried forward’, past participle of proferre ‘prolong’, from pro- ‘forward’ + ferre ‘carry’.

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