Definition: Blu-ray is one of two major High Definition DVD formats (see HD-DVD) that were vying to replace the current DVD standard in the U.S. market. However, since the introduction of both Blu-ray and HD-DVD, support for HD-DVD has waned, leaving Blu-ray as the remaining viable high definition disc format. For more specifics on Blu-ray, check out my Guide To Blu-ray and Blu-ray Disc Players.
Also Known As: Bluray, Blu Ray, Blu-ray Disc
Common Misspellings: Blue-ray, Blue Ray, Blueray, BlueRay