Blu-ray

See also: BluRay

English

Alternative forms

Etymology

blue +‎ ray, coming from the blue laser ray having a shorter wavelength and making a higher data density possible.

Pronunciation
  • IPA(key): [ˈbluːˌɹeɪ]

Noun

Blu-ray (countable and uncountable, plural Blu-rays)

  1. (informal) The Blu-ray Disc format.
    I've bought some of my old favourites on Blu-ray.
    • 2008, Debra Littlejohn Shinder, Michael Cross, Scene of the Cybercrime:
      In 2007, Pioneer announced the release of a Blu-ray drive that can record data to Blu-ray discs, as well as DVDs and CDs.
  2. (informal) A Blu-ray Disc.

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