optical disk光碟學術名詞光碟：資訊、物理學、計量學、電機工程、圖書館學與資訊科學、高中資訊光具盤：計量學光碟機：機械工程英文釋義a disk coated with plastic that can store digital data as tiny pits etched in the surface; is read with a laser that scans the surface