Term nodes beginning with "D"

Titlesort icon
D illuminant
dark
dark current
daylight
daylight factor [D]
daylight fluorescent colour
daylight illuminant
daylight lamp
daylight locus
daylight opening
daylighting
daytime running lights
defective colour vision
delineation
delineator
densitometer
density (optical) [Dτ]
depolarizer
depreciation factor
design speed
detectivity (of a detector) [D]
detector (of optical radiation)
deutan
deuteranomaly
deuteranopia
dichromatism
diffraction
diffuse horizontal illuminance (from the sky) [Ev,d]
diffuse horizontal irradiance [Ee,d]
diffuse reflectance [ρd]
diffuse reflection
diffuse sky radiation
diffuse transmission
diffuse transmittance [τd]
diffused lighting
diffuser
diffusion
diffusion factor (of a diffusing surface, by reflection or by transmission) [σ]
digital imaging system
dim (adjective)
dimmer
direct flux (on a surface)
direct glare
direct illuminance
direct lighting
direct ratio (of an interior lighting installation)
direct solar illuminance [Ev,s]
direct solar irradiance [Ee,s]
direct solar radiation
direct transmission
direction light
direction-indicator light
directional effect
directional emissivity (of a thermal radiator, in a given direction) [ε; ε(θ, φ)]
directional lighting
disability glare
discharge lamp
discharge, electric (in a gas)
discomfort glare
dispersion
display input/output characteristic
display surface
display surround (in image technology)
display, flat panel
display, LCD
distribution curve (of luminous intensity)
distribution temperature (of a source in a given wavelength range, λ1 to λ2) [TD]
distributor road
diversity [Ud]
DLOR (abbreviation)
dominant wavelength (of a colour stimulus) [λd]
dose (of optical radiation of specified spectral distribution)
dose rate
dose response curve
downlight
downward flux (of a source)
downward flux fraction (of a luminaire)
downward light output ratio (of a luminaire)
drip-proof luminaire
DRL (abbreviation)
duration of exposure [texp]
dust-proof luminaire
dust-tight luminaire
dwelling