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singularity

[sing-gyuh-lar-i-tee] /ˌsɪŋ gyəˈlær ɪ ti/
noun, plural singularities for 2–4.
1.
the state, fact, or quality of being singular.
2.
a singular, unusual, or unique quality; peculiarity.
3.
Mathematics, singular point.
4.
Astronomy. (in general relativity) the mathematical representation of a black hole.
Origin
1300-1350
1300-50; Middle English singularite < Late Latin singulāritās. See singular, -ity
Related forms
nonsingularity, noun, plural nonsingularities.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for singularity
  • For example, the big bang theory says the universe started as a singularity.
  • He has an extraordinary singularity of focus, as stubborn and direct as the wall itself.
  • Education singularity is the moment in human history where all learning is free and accessible to all.
  • Admiration for his accomplishments, his singularity, and the longevity and diversity of his career intervene.
  • By speaking so, he wasn't simply avoiding a singularity he didn't feel, he was also drawing us in with him.
  • The singularity of our relationship, for me, was rooted in this appellation.
  • The word ace denotes singularity, the number one, he who stands alone at the top.
  • His lower jaw juts out a trace, giving his otherwise ordinarily handsome face a singularity.
  • Both as poet and novelist, he bore the badge of singularity.
  • It proscribes singularity, but it does not preclude change, provided all change together.
British Dictionary definitions for singularity

singularity

/ˌsɪŋɡjʊˈlærɪtɪ/
noun (pl) -ties
1.
the state, fact, or quality of being singular
2.
something distinguishing a person or thing from others
3.
something remarkable or unusual
4.
(maths)
  1. a point at which a function is not differentiable although it is differentiable in a neighbourhood of that point See also pole2 (sense 4)
  2. another word for discontinuity
5.
(astronomy) a hypothetical point in space-time at which matter is infinitely compressed to infinitesimal volume
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
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Word Origin and History for singularity
n.

c.1400, "unusual behavior," also "singleness of aim or purpose," from Old French singulerte "peculiarity" (12c., Modern French singularité) or directly from Late Latin singularitatem (nominative singularitas) "a being alone," from singularis (see singular (adj.)). Meaning "fact of being different from others" is c.1500. Mathematical sense of "point at which a function takes an infinite value" is from 1893. Astronomical use is from 1965.

Online Etymology Dictionary, © 2010 Douglas Harper
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singularity in Science
singularity
  (sĭng'gyə-lār'ĭ-tē)   
  1. A point of infinite density and infinitesimal volume, at which space and time become infinitely distorted according to the theory of General Relativity. According to the big bang theory, a gravitational singularity existed at the beginning of the universe. Singularities are also believed to exist at the center of black holes.

  2. Mathematics A point at which the derivative does not exist for a given function but every neighborhood of which contains points for which the derivative exists.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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