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del1

[del]
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  1. (in names of Spanish derivation) a contraction of de and the article el: Estanislao del Campo.
  2. (in names of Italian derivation) a contraction of di and the article il: Giovanni del Monte.
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del2

[del]
noun Mathematics.
  1. a differential operator. Symbol: ∇
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Origin of del2

First recorded in 1900–05; short form of delta

del.

  1. delegate; delegation.
  2. delete; deletion.
  3. delineavit.
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Del.

  1. Delaware.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for del

del

noun
  1. maths the differential operator i (∂/∂ x) + j (∂/∂ y) + k (∂/∂ z), where i, j, and k are unit vectors in the x, y, and z directionsSymbol: Also called: nabla
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del.

abbreviation for
  1. delegate
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Del.

abbreviation for
  1. Delaware
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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