luminosity

noun 0.795

luminance

noun 0.778

illuminance

noun 0.724

luminous energy

noun 0.710

luminosity function

noun 0.686

intensity

noun 0.669

irradiance

noun 0.643

intrinsic brightness

noun 0.639

apparent brightness

noun 0.639

luminescence

noun 0.628

luminosity distance

noun 0.622

brightness

noun 0.621

lum

noun 0.609

lumen

noun 0.603

candlepower

noun 0.594

radiance

noun 0.588

illuminant

noun 0.582

illumination

noun 0.580

luminaire

noun 0.579

visual magnitude

noun 0.569

light source

noun 0.565

radiancy

noun 0.560

bioluminescence

noun 0.556

light

noun 0.552

visible light

noun 0.551

photoluminescence

noun 0.550

white light

noun 0.548

incandescence

noun 0.547

speed of light

noun 0.546

luminophore

noun 0.544

incandescent

noun 0.538

loudness

noun 0.537

light industry

noun 0.536

incandescent lamp

noun 0.533

lighting

noun 0.533

sunlight

noun 0.532

fluorescence

noun 0.531

flux density

noun 0.530

lightness

noun 0.530

luma

noun 0.529

luminaria

noun 0.524

photometry

noun 0.523

electric light

noun 0.523

light pollution

noun 0.520

illuminate

noun 0.519

bright

noun 0.519

chemiluminescence

noun 0.516

luminol

noun 0.512

better light

noun 0.512

lamplight

noun 0.512

luminal

noun 0.512

illumining

noun 0.511

electroluminescence

noun 0.509

lamp

noun 0.508

apparent magnitude

noun 0.508

lighthouse

noun 0.507

light ball

noun 0.507

effulgence

noun 0.505

rightness

noun 0.505

photometer

noun 0.505

luster

noun 0.505

light year

noun 0.503

fluorescent

noun 0.503

light bulb

noun 0.502

light-emitting diode

noun 0.502

luz

noun 0.502