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• del
  del

  (in names of Spanish derivation) a contraction of de and the article el:
• del.
  del.

  abbreviation

  delegate; delegation.
• Del.
  Del.

  abbreviation

  Delaware.

del

¹ American  

[del] / dɛl /

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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del ² American  

[del] / dɛl /

noun

Mathematics.

1. a differential operator. ∇

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del. ³ American  

abbreviation

1. delegate; delegation.

2. delete; deletion.

3. delineavit.

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Del. ⁴ American  

abbreviation

1. Delaware.

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Del. ¹ British  

abbreviation

1. Delaware

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del. ² British  

abbreviation

1. delegate

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del ³ British  

/ dɛl /

noun

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

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Etymology

Origin of del

First recorded in 1900–05; short form of delta

Example Sentences

They say this place is for tourists, but it’s been tucked into an alley off Puerta del Sol, next to a church of the same name since 1894.

From Salon • Jun. 23, 2026

"There is evidence that heatwaves were now taking place more frequently at the start of summer than in previous decades," Aemet's Rubén del Campo told Spanish media.

From BBC • Jun. 23, 2026

Aemet spokesperson Ruben del Campo said the extremely high temperatures were "between five and 10 degrees above what is typical for this period in general".

From Barron's • Jun. 22, 2026

The Coppa del Duce, more than 90 years on, comes shaped like a golden ticket.

From Slate • Jun. 11, 2026

“Take this, so you’ll remember the friend in Venta del Moro who cried for you.”

From "Across So Many Seas" by Ruth Behar