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.

---

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

---

Etymology

Origin of Blu-ray

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

Example Sentences

A new Blu-ray set presents immaculately restored versions of 20 cartoons from Fleischer Studios and its namesake siblings, Dave and Max Fleischer.

From The Wall Street Journal • May 27, 2026

That included behind-the-scenes footage featured in a recent Blu-ray DVD release and an “Avatar” production art book, which, according to the lawsuit, did not credit the actor.

From Los Angeles Times • May 7, 2026

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

From Los Angeles Times • Feb. 23, 2026

That iteration is also available from Kino on a fine Blu-ray.

From The Wall Street Journal • Oct. 28, 2025

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