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initialism

[ ih-nish-uh-liz-uhm ]

noun

  1. a set of initials representing a name, organization, or the like, with each letter pronounced separately, as FBI for Federal Bureau of Investigation.
  3. the practice of using initials or forming words from initials.

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Grammar Note

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Word History and Origins

Origin of initialism1

First recorded in 1895–1900; initial + -ism

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