Definitions for "HD DVD"
Keywords:  blu, toshiba, dvd, optical, dual
New optical disc format that can store 30BGB on a dual-layer disc the size of a DVD. Competing with Blu-ray Disc to be the high-definition replacement for DVD.
HD DVD uses the same CD sized (120 mm diameter) optical data storage media and 405 nm wavelength blue laser.HD DVD has a single layer capacity of 15 GB and a dual-layer capacity of 30 GB.
A high-definition version of DVD technology, due to launch in the US in late 2005