lightbox.
A box containing a source of light and a white, translucent cover, used to view photographic transparencies.
Meaning & usage
A box containing a source of light and a white, translucent cover, used to view photographic transparencies.
A box containing fluorescent tubes or LED technology, used to treat people with seasonal affective disorder (SAD) and circadian rhythm disorders.
A kind of pop-up that is overlaid across a web page while the rest of the content is dimmed.
A backbox.
A device used in phreaking that indicates when a telephone line is in use by means of a light.
Where this word comes from
From light + box. In the Internet sense, originally the name of one specific technique.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.