luminance

noun 0.774

irradiance

noun 0.761

illumination

noun 0.756

illuminant

noun 0.730

luminous intensity

noun 0.724

luminosity

noun 0.702

illuminate

noun 0.673

illumining

noun 0.669

brightness

noun 0.637

illuminism

noun 0.632

luminous energy

noun 0.632

luminescence

noun 0.610

luminaire

noun 0.608

sunlight

noun 0.606

light

noun 0.601

lighting

noun 0.599

apparent brightness

noun 0.593

electroluminescence

noun 0.592

luminosity function

noun 0.588

lightness

noun 0.587

electric light

noun 0.586

radiance

noun 0.585

lum

noun 0.584

lumen

noun 0.580

light industry

noun 0.577

effulgence

noun 0.575

better light

noun 0.572

light source

noun 0.571

lamplight

noun 0.570

visible light

noun 0.566

light pollution

noun 0.562

intrinsic brightness

noun 0.559

insolation

noun 0.558

light meter

noun 0.557

illuminating gas

noun 0.557

incandescence

noun 0.555

white light

noun 0.554

daylight

noun 0.554

enlightenment

noun 0.550

lamp

noun 0.548

radiancy

noun 0.544

structured illumination

noun 0.543

reflectance

noun 0.543

candlepower

noun 0.539

enlightener

noun 0.538

photoluminescence

noun 0.538

transilluminator

noun 0.538

luz

noun 0.535

fluorescence

noun 0.533

luminosity distance

noun 0.529

light bulb

noun 0.528

dawnlight

noun 0.522

yellow light

noun 0.522

downlight

noun 0.522

photometer

noun 0.522

photometry

noun 0.521

intensity

noun 0.521

bright

noun 0.520

lucency

noun 0.520

incandescent

noun 0.518

visual magnitude

noun 0.516

bioluminescence

noun 0.515

lamp bulb

noun 0.514

streetlight

noun 0.512

exposure meter

noun 0.510

shine

noun 0.509

top light

noun 0.509

light ball

noun 0.509

rightness

noun 0.508

lux

noun 0.507

floodlight

noun 0.506

incandescent lamp

noun 0.506

uplight

noun 0.505

lucidity

noun 0.505

grow light

noun 0.505

luminaria

noun 0.504

lighthouse

noun 0.503

emergency light

noun 0.503

emissivity

noun 0.503

backlight

noun 0.502

luce

noun 0.502

flashlight

noun 0.502

luminal

noun 0.501

refulgence

noun 0.500

light-emitting diode

noun 0.500