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• diff
  diff

  noun

  difference.
• diff.
  diff.

  abbreviation

  difference.

diff

¹ American  

[dif] / dɪf /

noun

1. Informal. difference.

   What’s the diff if I go Tuesday or Wednesday?

2. Computers. an operation that computes and displays the data difference or differences between two files, usually between two versions of the same file: Go back to the original program files you downloaded and run a diff to see what has changed.

   Before you submit your work, always do a diff on it.

   Go back to the original program files you downloaded and run a diff to see what has changed.

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verb (used with object)

1. Computers. to compare (data files) and display the difference or differences.

   It’s easier to diff the files if they are in the same repository.

diff. ² American  

abbreviation

1. difference.

2. different.

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Etymology

Origin of diff

First recorded in 1600–25; by shortening

Example Sentences

But the team arrived at a different conclusion after sifting through research included in a multicenter study, which included adults treated with oral vancomycin between 2016-2021 for C. diff infection.

From Science Daily • Apr. 25, 2024

"If antimicrobial resistance increases in both antibiotics, it will complicate the management of C. diff infection leading us back to a pre-antibiotic era."

From Science Daily • Apr. 25, 2024

FMT offers hope to patients suffering from recurrent C. diff infection, as a safe and effective treatment.

From Science Daily • Feb. 21, 2024

For patients with recurrent C. diff infection at a high risk of recurrence:

From Science Daily • Feb. 21, 2024

The inexperienced pilots had trouble steering toward the diff lights, which marked the beaches, and often brought the boats to shore on the rocks.

From "Middlesex: A Novel" by Jeffrey Eugenides