Dictionary.com
Thesaurus.com

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Blu-ray

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

After Sony reported those numbers, rumors began circulating that the upcoming PS6 will be totally disc-free, making the Blu-ray reader a separately sold, optional piece of hardware.

From Slate Jul. 7, 2026

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

From Los Angeles Times Feb. 23, 2026

Subsequently out of print, they’re before us once more, now in high-quality transfers of differing resolutions, as part of Eclipse’s revival on Blu-ray.

From The Wall Street Journal Feb. 18, 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

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training