Blu-ray

American  

[bloo-rey] / ˈbluˌreɪ /

Trademark.

1. an optical disk or an optical disk format for the storage of high-definition video and audio, having a much larger capacity than a DVD.

   video games on Blu-ray; Blu-ray movies.

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Blu-ray British  

noun

1. an optical disk used to store digital information such as high-definition video, and able to store more information than a standard DVD

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Etymology

Origin of Blu-ray

Blu-, respelling of blue (from the blue-violet laser used to read the disk) + (optical) ray

Example Sentences

Best known as an actress, Tanaka was also one of her country’s first female filmmakers, and her six features are now available in a Blu-ray set from the Criterion Collection.

From The Wall Street Journal • May 4, 2026

In turn, boutique Blu-ray companies, like the Criterion Collection, are similarly on the rise.

From Los Angeles Times • Feb. 23, 2026

Now Kino brings us a follow-up collection—also on Blu-ray and once again sourced from Studio Canal’s vast library—this time featuring four pictures, three in 4K restorations.

From The Wall Street Journal • Jan. 21, 2026

It received a sales boost last week after being re-released as a super deluxe edition on Blu-ray, cassette and diamond-effect vinyl.

From BBC • Jan. 10, 2025

And in this year’s holiday spirit, Bavarian State Opera in Munich has released on DVD and Blu-ray its ecstatic recent production of “Fledermaus” directed by Barrie Kosky and conducted with extraordinary dynamism by Vladimir Jurowski.

From Los Angeles Times • Dec. 31, 2024