noun Download 🔗Share A box containing a source of light and a white, translucent cover, used to view photographic transparencies. Examples : "The photographer used lightboxes to carefully examine the details of the film negatives. " art technology media device electronics Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A box containing fluorescent tubes or LED technology, used to treat people with seasonal affective disorder (SAD) and circadian rhythm disorders. Examples : "During the dark winter months, many people use lightboxes to combat the symptoms of seasonal affective disorder. " medicine technology device physiology body Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A kind of pop-up that is overlaid across a web page while the rest of the content is dimmed. Examples : "The website used lightboxes to display larger versions of the product photos when clicked. " computing internet technology Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A backbox. Examples : "The artist used lightboxes to trace her drawings, making the lines brighter and clearer. " architecture building utility technology Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A device used in phreaking that indicates when a telephone line is in use by means of a light. Examples : "Before telephone systems became fully digital, phreakers used lightboxes to detect when a phone line was in use, helping them avoid detection while making unauthorized calls. " technology electronics communication device signal Chat with AIVocabulary GamePractice Reading
