nounDownload🔗ShareAny undesired image appearing at the image plane of an optical system; either a false image of the desired object, or an out-of-focus image of a bright source of light in the field of the optical system.Examples:"The old camera lens produced noticeable ghost images, blurry reflections of the bright sun, across the picture. "physicstechnologyscienceChat with AIVocabulary GamePractice Reading
nounDownload🔗ShareA copy of all the contents of a hard drive, used as a backup.Examples:""Before upgrading my computer, I made ghost images of all my important hard drives as a safety precaution." "computingtechnologyinternetelectronicsChat with AIVocabulary GamePractice Reading