photophore

noun 0.750

fluorophore

noun 0.737

photoluminescence

noun 0.701

luminol

noun 0.700

luminescence

noun 0.698

bioluminescence

noun 0.672

phosphorescent

noun 0.671

phosphor

noun 0.652

chemiluminescence

noun 0.652

luciferase

noun 0.647

luciferin

noun 0.644

fluorescent

noun 0.633

lucigenin

noun 0.632

photoprotein

noun 0.624

phosphorescence

noun 0.622

chromophore

noun 0.616

luminous energy

noun 0.613

luminosity

noun 0.609

fluorometer

noun 0.606

aequorin

noun 0.602

luminance

noun 0.602

fluorochrome

noun 0.600

fluorescence

noun 0.600

transilluminator

noun 0.590

lumican

noun 0.590

sonoluminescence

noun 0.581

lum

noun 0.578

luminaria

noun 0.577

lumen

noun 0.576

fluorescein

noun 0.576

glowing

noun 0.567

electroluminescence

noun 0.564

luminaire

noun 0.560

oxyluciferin

noun 0.557

thermoluminescence

noun 0.556

chromatophore

noun 0.556

photosensitizer

noun 0.554

phototroph

noun 0.553

biophotonics

noun 0.553

illuminant

noun 0.552

light source

noun 0.552

luminosity function

noun 0.552

luminal

noun 0.551

photon

noun 0.550

photopigment

noun 0.549

scintillator

noun 0.548

coelenterazine

noun 0.547

electrochemiluminescence

noun 0.546

luminous intensity

noun 0.544

spectrofluorometer

noun 0.543

luma

noun 0.542

phytochrome

noun 0.541

nightglow

noun 0.540

glow

noun 0.540

illuminate

noun 0.537

photoinitiator

noun 0.535

photometer

noun 0.535

fluorometry

noun 0.531

photoreceptor

noun 0.528

brightener

noun 0.528

epifluorescence microscope

noun 0.528

phosphorite

noun 0.527

phosphene

noun 0.526

glowworm

noun 0.525

phosphorene

noun 0.523

photomultiplier

noun 0.522

phosphorane

noun 0.519

ionophore

noun 0.516

photosensor

noun 0.515

noctiluca

noun 0.514

photoresistor

noun 0.512

fluorescence microscopy

noun 0.512

photolyase

noun 0.511

photocatalyst

noun 0.511

phototube

noun 0.509

immunofluorescence

noun 0.508

illuminating gas

noun 0.507

luce

noun 0.507

fluorescent lamp

noun 0.505

phototransistor

noun 0.503

black light

noun 0.503

photobiont

noun 0.503

phycoerythrin

noun 0.502

fluorenone

noun 0.502

fluorescent tube

noun 0.501

aluminophosphate

noun 0.500

fluorescence spectroscopy

noun 0.500