- a type of compact disk developed to store and play back music.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a small digital audio disc on which sound is recorded as a series of metallic pits enclosed in PVC; the disc is spun by the compact disc player and read by an optical laser systemAlso called: compact audio disc Abbreviation: CD, CAD
- A small optical disk on which data such as music, text, or graphic images is digitally encoded.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.