ANSI/IES LS-1-22, Lighting Science: Nomenclature and Definitions for Illuminating Engineering
The IES defines illumination engineering terms in ANSI/IES LS-1-22, is available here online. You can search terms by their first letter using the categories listed in the Categories window, by the first letter of the term in the alphabetical list below, or by typing the term in the search window. You can find the Introduction material for LS-1-22 on these pages:
- Copyright, Disclaimer, and American National Standards Statement
- Foreword, Nomenclature Committee members, Introduction, and Scope
- Spectral Parameters Used in Illumination Engineering
Search:
(clear)
- gamut area index (GAI)
- gamut area (of a light source)
- Gamut Index (Rg)
- gamut shift pattern
- gas-filled lamp
- gaseous discharge
- gel
- general color rendering index
- general diffuse lighting
- general illumination (television, film, theater)
- general lighting
- general lighting source lamp (GLS)
- general purpose floodlight, GP
- germicidal action spectrum
- germicidal dose
- germicidal effectiveness
- germicidal flux
- germicidal flux density
- germicidal functions
- germicidal radiation
- ghost (or ghost load)
- glare
- global solar radiation
- globe (for light control)
- globe (theater lighting equipment)
- glossometer
- glow discharge
- glow factor
- glow lamp
- gobo
- goniophotometer
- graybody
- grid (or gridiron)
- grip
- grip gear
- ground-area open floodlight, O
- ground-area open floodlight with reflector insert, OI
- ground light
- ground row
- group control
- group flashing light