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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.


del 2 American  
[del] / dɛl /

noun

Mathematics.
  1. a differential operator. ∇


del. 3 American  

abbreviation

  1. delegate; delegation.

  2. delete; deletion.

  3. delineavit.


Del. 4 American  

abbreviation

  1. Delaware.


Del. 1 British  

abbreviation

  1. Delaware

"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

del. 2 British  

abbreviation

  1. delegate

"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

del 3 British  
/ dɛl /

noun

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

"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

Etymology

Origin of del

First recorded in 1900–05; short form of delta

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:

“We hope that whoever wins this race keeps working-class people and their issues on the forefront,” said Ron Gochez, a longtime district resident and organizer with Union del Barrio, which advocates for immigrants.

From Los Angeles Times Jul. 28, 2026

Outside Aldea del Fresno, on the eastern edge of the vast fires, evacuated locals lined up in cars in the hope of being allowed to returning to properties and pets.

From Barron's Jul. 28, 2026

He and his wife fled in minutes when their phones rang with the evacuation alert, and left their village Aldea del Fresno with virtually nothing.

From Barron's Jul. 27, 2026

His objective on the hardest day of this Tour wasn’t to win the stage but to help del Toro secure his spot on the podium and the white jersey as the race’s best young rider.

From The Wall Street Journal Jul. 26, 2026

They called it Covadonga, in memory of their del Valle grandparents.

From "The House of the Spirits: A Novel" by Isabel Allende

Am. del. on economics and reparation clauses; economic adviser for the Am.

From The Mirrors of Washington by Kirby, John

"F. Bonneville del. et sculpsit" is its whole history.

From The Life Of Thomas Paine, Vol. II. (of II) With A History of His Literary, Political and Religious Career in America France, and England by Conway, Moncure Daniel

Del. Delaware; Delegate. del., delt., delineavit='He drew it,' put after the draftsman's name on an engraving. demon.

From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various

Joutel del., from a photograph by the author.

From Lamarck, the Founder of Evolution His Life and Work by Packard, A. S. (Alpheus Spring)

Williams del. and sculpt.Published by W. Marsden, 1810.

From The History of Sumatra Containing An Account Of The Government, Laws, Customs And Manners Of The Native Inhabitants by Marsden, William

The Wilmington, Del., company said VGA039 is currently in Phase 3 pivotal development for patients with von Willebrand disease, the most common inherited bleeding disorder.

From The Wall Street Journal Jun. 8, 2026

The monument had been removed from its spot in Wilmington, Del., in 2020, and put into storage.

From The Wall Street Journal Jun. 4, 2026

Much of this was the work of “the father of the port,” Phineas Banning, an indefatigable Wilmington, Del., native who bestowed that town’s name on the one he founded here.

From Los Angeles Times May 24, 2025

Navient, based in Wilmington, Del., has not publicized the discharge program that helped Ms. Maynard.

From New York Times May 30, 2024

Out of the corner of my eye, I see Piper talking to Del. If he goes for this, everyone else will too.

From "Al Capone Does My Shirts" by Gennifer Choldenko

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