Word.ws English Dictionary

lightbox

lightbox noun: a box containing a source of light and a white, translucent cover, used to view photographic transparencies.

Noun

lightbox (plural lightboxes)

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

Forms of lightbox

plurallightboxes

Origin of lightbox

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

Questions about lightbox

What does lightbox mean?
Lightbox means a box containing a source of light and a white, translucent cover, used to view photographic transparencies.
What part of speech is lightbox?
Lightbox is a noun.
What is the plural of lightbox?
The plural of lightbox is lightboxes.

Words near lightbox in the dictionary

  1. lightboats
  2. Lightbody
  3. Lightbodys
  4. Lightbourne
  5. Lightbournes
  6. lightbox
  7. lightboxes
  8. lightbrained
  9. lightbulb
  10. lightbulb joke
  11. lightbulbed

Source and license

Adapted from Wiktionary: lightbox (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “lightbox.” Word.ws, https://word.ws/lightbox. Based on Wiktionary, CC BY-SA 4.0.