compact disk

noun

1. an optical disk approximately 4.75 inches (12 centimeters) in diameter, on which a program, data, music, etc., is digitally encoded for a laser beam to scan, decode, and transmit to a playback system, computer monitor, or television set. : CD

compact disk

/ kŏm′păkt′ /

1. A small optical disk on which data such as music, text, or graphic images is digitally encoded.

Example Sentences

The results confirmed expectations by revealing excess cool water in the compact disks, compared with the large disks.

From Science Daily

The Milky Way is a typical 'disk' galaxy, which a shape similar to a pancake or compact disk, rotating about its centre and often containing spiral arms.

From Science Daily

Instead of moving back and forth across under the camera, the disk moves in a spiral, akin to how a compact disk is played, which speeds up imaging.

From Science Magazine

Ottens was also involved in the development of the compact disk, and more than 200 billion of those have been sold worldwide to date.

From BBC

Finally, iridescence can arise through diffraction, when light reflects off a more complicated periodic structure, such as the grooves in a compact disk.

From Science Magazine