degenerated disc disease. Mechanical breakdown of the integrity of a disc, which produces symptoms initially because of mechanical instability and later productive of root or cord compression owing to the development of osteophyte outgrowths.
Digital Digital Digital. A designation that indicates the recorded material was first recorded with digital equipment, then remixed on digital equipment and finally placed onto a digital recording medium..
Degenerative disc disease. loss of elasticity and flexibility of the disc. Although it can happen quickly, most DDD develops over time due to use or misuse.