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Blu-ray - Wiktionary, the free dictionary

From Wiktionary, the free dictionary

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

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.

format