Word.ws English Dictionary

over-illumination

over-illumination is the alternative spelling of overillumination.

Meaning of overillumination

Noun

overillumination (uncountable)

  1. Excess light supplied beyond the amount required for a given task.
  2. Wasted light through illumination of an unoccupied space, creating energy wastage.
  3. Excessive or annoying light producing glare, annoyance and adverse health effects.
    • The building's architect failed to account for natural light availability and specified more lighting fixtures than needed, resulting in over-illumination and leading to increased headache incidence for some building occupants.

Origin of over-illumination

From over- + illumination.

Questions about over-illumination

What is over-illumination the alternative spelling of?
Over-illumination is the alternative spelling of overillumination.

Words near over-illumination in the dictionary

  1. over-hedging
  2. over-hire
  3. over-hired
  4. over-hires
  5. over-hiring
  6. over-illumination
  7. over-indebtedness
  8. over-index
  9. over-indexed
  10. over-indexes
  11. over-indexing

Source and license

Adapted from Wiktionary: over-illumination (page history and authors); overillumination (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: “over-illumination.” Word.ws, https://word.ws/over-illumination. Based on Wiktionary, CC BY-SA 4.0.