overillumination en · NOUN
Pronunciation
- (US) audio
Etymology
Etymology tree Proto-Indo-European *úp Proto-Indo-European *-er Proto-Indo-European *upér Proto-Germanic *uber Old English ofer- Middle English over- English over- Proto-Indo-European *h₁én Proto-Italic *en Proto-Italic *en- Latin in- Proto-Indo-European *lewk- Proto-Indo-European *-s- Proto-Indo-European *-mn̥ Proto-Indo-European *léwksmn̥ Proto-Italic *louksmən Latin lūmen Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-yéti Proto-Indo-European *-eh₂yéti Proto-Indo-European *-h₂tiinflu. Proto-Italic *-ājō Proto-Italic *-āō Latin -ō Latin lūminō Latin illūminō Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Late Latin illūminātiōbor. Middle French illuminationbor. English illumination English overillumination From over- + illumination.
Meanings
- (uncountable) Excess light supplied beyond the amount required for a given task.
- (uncountable) Wasted light through illumination of an unoccupied space, creating energy wastage.
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(uncountable) 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.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| over-illumination | alternative | lexicographic |