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Showing results for prolate. Search instead for subprolate.

prolate

American  
[proh-leyt] / ˈproʊ leɪt /

adjective

  1. elongated along the polar diameter, as a spheroid generated by the revolution of an ellipse about its longer axis (opposed to oblate).


prolate British  
/ ˈprəʊleɪt /

adjective

  1. having a polar diameter of greater length than the equatorial diameter Compare oblate 1

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of prolate

1685–95; < Latin prōlātus, past participle of prōferre to bring forward, extend; see pro- 1, oblate 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The embankments rose like the prolate rock formations in Chinese scroll paintings, massive looming shapes half lost to fog.

From The New Yorker Apr. 22, 2019

The eye cornea is approximated as a prolate spheroid with an axis that is the eye, where a = 8.7 mm and c = 9.6 mm.

From Textbooks Mar. 30, 2016

The only thing more unpredictable is fans of the prolate spheroid.

From Washington Times Dec. 2, 2015

A football is a prolate spheroid, and it’s shaped that way because that’s also the shape of an inflated pig’s bladder, which is what the first footballs were made of.

From Time Dec. 30, 2013

The crucial dispute between Cartesians and Newtonians was over the shape of the Earth: Newton predicted an oblate ellipsoid, or flattened, Earth, while the Cartesians had predicted a prolate ellipsoid, or egg-shaped, Earth.

From "The Invention of Science" by David Wootton

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