Singular

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A grammatical number denoting a unit quantity (as opposed to the plural and other forms)

Singular may also refer to:

  • Gravitational singularity, a location where the quantities that are used to measure the gravitational field become infinite
  • Technological singularity, a hypothesis that technological progress will reach such an infinite or extremely high value at a point in the near future
  • A group of boars

In mathematics:

  • Mathematical singularity
  • SINGULAR, an open source Computer Algebra System (CAS)
  • Singular matrix, a matrix that is not invertible
  • Singular measure, a measure or probability distribution whose support has zero Lebesgue measure. More generally, one may speak of an object "singular with respect to a measure μ", meaning that μ replaces the Lebesgue measure above
  • An infinite cardinal number is called singular if it is not a regular cardinal

Possible misspelling:

  • Singulair, Merck trademark for Montelukast, a common prescription drug used in maintenance treatment of asthma and to relieve symptoms of seasonal allergies.
  • Cingular Wireless, a major mobile network operator in North America


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