luminescence

noun 0.836

chemiluminescence

noun 0.794

photoluminescence

noun 0.729

fluorescence

noun 0.719

phosphorescence

noun 0.711

luciferase

noun 0.686

electroluminescence

noun 0.674

luminophore

noun 0.672

sonoluminescence

noun 0.668

luminosity

noun 0.630

luciferin

noun 0.629

thermoluminescence

noun 0.612

luminol

noun 0.612

luminous energy

noun 0.608

phosphorescent

noun 0.607

biophotonics

noun 0.606

nightglow

noun 0.604

lucigenin

noun 0.598

fluorescent

noun 0.593

luminance

noun 0.592

glowing

noun 0.591

electrochemiluminescence

noun 0.590

glow

noun 0.588

incandescence

noun 0.584

fluorescence microscopy

noun 0.583

airglow

noun 0.581

photobiology

noun 0.572

noctiluca

noun 0.567

firelight

noun 0.565

photophore

noun 0.565

luminous intensity

noun 0.556

photobiomodulation

noun 0.553

fluorescence spectroscopy

noun 0.552

visible light

noun 0.552

light-emitting diode

noun 0.551

immunofluorescence

noun 0.547

black light

noun 0.547

electric light

noun 0.544

neon lighting

noun 0.541

echolocation

noun 0.540

iridescence

noun 0.540

lum

noun 0.540

biophotolysis

noun 0.539

light therapy

noun 0.538

light pollution

noun 0.537

glowworm

noun 0.537

transilluminator

noun 0.536

radiance

noun 0.535

photoprotein

noun 0.535

biophysics

noun 0.534

illumination

noun 0.533

biology

noun 0.532

coelenterazine

noun 0.531

lighting

noun 0.529

sunlight

noun 0.528

light source

noun 0.528

luminosity function

noun 0.527

brightness

noun 0.527

biotechnology

noun 0.526

neon light

noun 0.525

fluorescent lamp

noun 0.525

lamplight

noun 0.524

fluorescein

noun 0.524

fluorophore

noun 0.521

ball lightning

noun 0.521

biochemistry

noun 0.521

glow discharge

noun 0.521

grow light

noun 0.517

lucency

noun 0.517

marine biology

noun 0.517

oxyluciferin

noun 0.516

luce

noun 0.516

illuminate

noun 0.516

eyeshine

noun 0.515

illuminance

noun 0.515

intrinsic brightness

noun 0.514

light show

noun 0.513

lumen

noun 0.513

ultraviolet light

noun 0.513

fluorometry

noun 0.512

light

noun 0.511

florescence

noun 0.511

aequorin

noun 0.510

lighthouse

noun 0.510

biogenesis

noun 0.510

photobleaching

noun 0.509

biomimicry

noun 0.509

starlight

noun 0.509

scintillation

noun 0.508

astrobiology

noun 0.508

flashlight

noun 0.508

lucidity

noun 0.507

photochemistry

noun 0.506

white light

noun 0.506

glow stick

noun 0.505

light ball

noun 0.505

chronobiology

noun 0.504

biological

noun 0.503

photophobia

noun 0.503

photosynthesis

noun 0.502