from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See optical disk.
from the GNU version of the Collaborative International Dictionary of English
- n. A digital data storage medium consisting of a thin disk onto which the data is impressed by a laser, in the form of a linear sequence of dots; same as optical disk. The data is subsequently read back by the use of a laser beam. See also compact disk.
Sorry, no etymologies found.