Optical Disk (Noun)
Meaning
A disk coated with plastic that can store digital data as tiny pits etched in the surface; is read with a laser that scans the surface.
Classification
Nouns denoting man-made objects.
Examples
- The optical disk, invented in the late 1970s, revolutionized the way we store and play back music.
- Blu-ray players use an optical disk that can hold up to 128 gigabytes of data.
- In the 1980s, compact disks became the primary medium for music distribution, an early form of optical disk.
- CD, DVD, and Blu-ray are all types of optical disks used to store data.
- Manufacturers produce millions of optical disks each year for music, video, and data storage applications.