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Oxford comma

British  

noun

  1. a comma between the final items in a list, often preceding the word `and' or `or', such as the final comma in the list newspapers, magazines, and books

"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 Oxford comma

C20: because it was traditionally a feature of the house style at Oxford University Press

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.

“He liked to use the Oxford comma,” Westerhout testified.

From Salon

“My recollection was that there were certain words that he liked to capitalize. Words like country, and he liked to use exclamation points … It’s my understanding that he liked to use the Oxford comma.”

From Seattle Times

"It is my understanding that he liked to use the Oxford comma," she added.

From BBC

On his website, he described himself as a “militant bicyclist” and “a proponent of the singular they, the Oxford comma, and pre-Elon Twitter.”

From Seattle Times

On his website, he described himself as a “militant bicyclist” and “a proponent of the singular they, the Oxford comma, and pre-Elon Twitter.“

From Washington Times