Blu-ray

[ bloo-rey ]
/ ˈbluˌreɪ /

Trademark.

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.
Also called Blu-ray Disc.

Origin of Blu-ray

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

Example sentences from the Web for blu-ray

British Dictionary definitions for blu-ray

Blu-ray

noun

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

Word Origin for Blu-ray

C21: from the colour of the laser used to read and write this type of disc