photosite

noun 0.674

photosynthesis

noun 0.668

photosensor

noun 0.655

solar system

noun 0.627

chloroplast

noun 0.612

photoreceptor

noun 0.604

photosensitizer

noun 0.598

photopigment

noun 0.596

phytochrome

noun 0.590

planetary system

noun 0.589

photochemistry

noun 0.587

photoelectric cell

noun 0.586

phototroph

noun 0.584

photodiode

noun 0.583

photoperiod

noun 0.576

physical system

noun 0.576

photolysis

noun 0.572

photocell

noun 0.567

cytochrome

noun 0.566

photochemical

noun 0.563

absorption system

noun 0.563

biophotolysis

noun 0.562

photovoltaics

noun 0.562

eyespot

noun 0.561

photosphere

noun 0.559

photodetector

noun 0.558

solar cell

noun 0.557

photoelectrode

noun 0.556

photoprotection

noun 0.555

photoreaction

noun 0.553

sub-system

noun 0.553

photosensitivity

noun 0.553

photovoltaic cell

noun 0.552

phototransistor

noun 0.551

phototube

noun 0.550

photoperiodism

noun 0.549

present system

noun 0.548

phycobilisome

noun 0.548

phototransduction

noun 0.547

photobioreactor

noun 0.545

photoresistor

noun 0.545

system

noun 0.544

photochemical reaction

noun 0.544

photobiology

noun 0.544

solar

noun 0.543

thylakoid

noun 0.543

phototype

noun 0.541

ecosystem

noun 0.541

photoactivation

noun 0.541

phototherapy

noun 0.537

photosensitization

noun 0.536

photoelectron

noun 0.536

photolyase

noun 0.536

antenna complex

noun 0.536

photoreception

noun 0.534

photoexcitation

noun 0.533

photophosphorylation

noun 0.529

photophase

noun 0.528

chlorophyll

noun 0.528

photovoltage

noun 0.526

light therapy

noun 0.525

photoresponse

noun 0.525

respiratory system

noun 0.525

photoprocessing

noun 0.524

plastid

noun 0.523

chromoplast

noun 0.523

photoabsorption

noun 0.522

photic zone

noun 0.522

opsin

noun 0.519

phytoplankton

noun 0.519

solar collector

noun 0.518

photorespiration

noun 0.518

nervous system

noun 0.517

photovoltaic effect

noun 0.516

information system

noun 0.515

light spectrum

noun 0.514

photogeneration

noun 0.513

photocurrent

noun 0.513

photometer

noun 0.512

pathosystem

noun 0.512

photoinhibition

noun 0.512

grow light

noun 0.510

photon

noun 0.509

photosynthate

noun 0.508

photoreactivation

noun 0.507

photoreactivity

noun 0.507

photoprotein

noun 0.506

immune system

noun 0.505

photomultiplier

noun 0.505

photobiont

noun 0.505

photoisomerization

noun 0.504

solar battery

noun 0.503

photophore

noun 0.503

photoelectrolysis

noun 0.502

photoconductor

noun 0.502

photocathode

noun 0.502

phototropism

noun 0.501

spectrophotometer

noun 0.501

photomultiplier tube

noun 0.501

political system

noun 0.500