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Definition of prolate - 2 dictionary results
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pro⋅late

  [proh-leyt]
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–adjective
elongated along the polar diameter, as a spheroid generated by the revolution of an ellipse about its longer axis (opposed to oblate ).
Origin:
1685–95; < L prōlātus, ptp. of prōferre to bring forward, extend; see pro- 1 , oblate

Related forms:
pro⋅late⋅ly, adverb
pro⋅late⋅ness, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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pro·late   (prō'lāt')   
adj.  

  1. Having the shape of a spheroid generated by rotating an ellipse about its longer axis.

  2. Having the polar axis longer than the equatorial diameter: a prolate spheroid.


[Latin prōlātus, past participle of prōferre, to stretch out : prō-, forth; see pro-1 + lātus, brought; see telə- in Indo-European roots.]
pro'late'ly adv., pro'late'ness n.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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