luminophore

noun 0.750

phototroph

noun 0.672

chromophore

noun 0.645

photophase

noun 0.638

photoprotein

noun 0.636

phototube

noun 0.635

fluorophore

noun 0.635

phosphor

noun 0.628

phosphorescent

noun 0.621

photopigment

noun 0.616

photon

noun 0.607

chromatophore

noun 0.599

phytochrome

noun 0.597

light source

noun 0.595

photoreceptor

noun 0.594

phot

noun 0.592

phototransistor

noun 0.589

photogeneration

noun 0.586

photophone

noun 0.581

photobiont

noun 0.580

photic zone

noun 0.578

photocathode

noun 0.576

photodiode

noun 0.576

photoflash

noun 0.574

photometer

noun 0.573

photomorphogenesis

noun 0.573

photoluminescence

noun 0.571

photolyase

noun 0.571

photomultiplier

noun 0.570

photodetector

noun 0.568

phosphorescence

noun 0.568

fluorescent

noun 0.568

photosensor

noun 0.566

biophotolysis

noun 0.566

photoresistor

noun 0.566

luminaire

noun 0.566

photoinitiator

noun 0.565

bioluminescence

noun 0.565

biophotonics

noun 0.563

photobioreactor

noun 0.559

photophosphorylation

noun 0.557

photonics

noun 0.556

photoelectrode

noun 0.551

photoprint

noun 0.549

photocell

noun 0.547

photog

noun 0.546

aequorin

noun 0.544

photopolymer

noun 0.543

photosensitizer

noun 0.543

photocatalyst

noun 0.542

phototype

noun 0.542

phosphorite

noun 0.541

photovoltage

noun 0.541

photomultiplier tube

noun 0.540

sporophore

noun 0.538

pharos

noun 0.536

photophobia

noun 0.535

phosphene

noun 0.535

photocurrent

noun 0.535

phosphole

noun 0.535

penlight

noun 0.534

phosphorane

noun 0.534

pterygiophore

noun 0.533

photobiology

noun 0.533

electrophorus

noun 0.532

lampholder

noun 0.532

phosphorene

noun 0.530

phototransduction

noun 0.527

fluorometer

noun 0.527

phototherapy

noun 0.526

photosite

noun 0.525

photoproduction

noun 0.523

odontophore

noun 0.522

ionophore

noun 0.521

photoreception

noun 0.521

lamprophyre

noun 0.521

photo

noun 0.520

photoactivation

noun 0.520

luminescence

noun 0.520

flashlight

noun 0.519

transilluminator

noun 0.519

phare

noun 0.518

fluorochrome

noun 0.518

flashlamp

noun 0.517

phytoplankton

noun 0.516

grow light

noun 0.514

lamp

noun 0.513

fluorescence

noun 0.511

photoperiod

noun 0.511

nanophotonics

noun 0.511

photoreaction

noun 0.510

photofit

noun 0.510

phycobilisome

noun 0.510

phototaxis

noun 0.509

photolysis

noun 0.508

photoresponse

noun 0.507

photopheresis

noun 0.507

phototropism

noun 0.507

black light

noun 0.506

photochemical

noun 0.506