Longman Dictionary English From Longman Dictionary of Contemporary EnglishRelated topics: ComputersCD-RCD-R /ˌsiː diː ˈɑː $ -ˈɑːr/ noun [countable, uncountable] (compact disc – recordable) a type of CD that you can record music, images, or other information onto, using special equipment on your computer, and that can be recorded onto only once ldoceonline.com