Meaning

5 senses
  1. A box containing a source of light and a white, translucent cover, used to view photographic transparencies.

  2. A box containing fluorescent tubes or LED technology, used to treat people with seasonal affective disorder (SAD) and circadian rhythm disorders.

  3. (Internet)A kind of pop-up that is overlaid across a web page while the rest of the content is dimmed.

  4. A backbox.

  5. A device used in phreaking that indicates when a telephone line is in use by means of a light.

Origin

From light + box. In the Internet sense, originally the name of one specific technique.

From light + box. In the Internet sense, originally the name of one specific technique.

Wiktionary, CC BY-SA 4.0 · source

Forms

plural: lightboxes
Singularlightbox
Plurallightboxes

regular

See also

neighbours in the dictionary
lightbox — meaning, examples, forms, synonyms | Krumeto