有ゆう機き色しき素そゆうきしきそMeanings1nounorganic dye (optical disc media)Technical term used in the context of optical disc manufacturing, such as CD-R and DVD-R, where an organic dye layer is used for recording.CD-Rの記き録ろく層そうには有ゆう機き色しき素そが使つかわれて
