What is another word for digital audio disk?
Pronunciation: [dˈɪd͡ʒɪtə͡l ˈɔːdɪˌə͡ʊ dˈɪsk] (IPA) 
A digital audio disk, commonly known as a CD (Compact Disc), has several synonyms that differ in popularity and usage. One term is optical disk, which refers to any disk that uses laser technology to read and write data. Another synonym is audio CD, which emphasizes the purpose of the disk, storing and playing audio. A third option is compact disc digital audio (CDDA), which specifies the format used on the disk. Finally, digital media disc is a general term that can refer to CDs, DVDs, or Blu-rays. While some of these synonyms have fallen out of favor due to changes in technology, they all refer to the same type of disk.
