Definition of prolate in English:

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Pronunciation: /ˈprəʊleɪt/


(Of a spheroid) lengthened in the direction of a polar diameter. Often contrasted with oblate1.
Example sentences
  • 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.


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

For editors and proofreaders

Line breaks: pro|late

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