photochemical

noun 0.852

photochemical reaction

noun 0.809

photobiology

noun 0.723

photocatalysis

noun 0.704

photoreaction

noun 0.701

photoreactivity

noun 0.696

physical chemistry

noun 0.692

photolysis

noun 0.670

radiation chemistry

noun 0.669

chemical physics

noun 0.667

phytochemistry

noun 0.662

sonochemistry

noun 0.655

photodecomposition

noun 0.651

photosynthesis

noun 0.650

phototherapy

noun 0.647

photoexcitation

noun 0.645

photoactivation

noun 0.641

photooxygenation

noun 0.639

photochromism

noun 0.636

photoconductivity

noun 0.632

chemistry

noun 0.624

radiochemistry

noun 0.622

chemical kinetics

noun 0.620

biophotolysis

noun 0.619

photooxidation

noun 0.618

quantum chemistry

noun 0.616

photopolymerization

noun 0.615

photoinactivation

noun 0.613

photochemical smog

noun 0.610

nuclear chemistry

noun 0.608

photosensitization

noun 0.607

geochemistry

noun 0.606

photoprotection

noun 0.605

petrochemistry

noun 0.605

photoreception

noun 0.604

photosensitivity

noun 0.600

photogeneration

noun 0.599

photoinitiation

noun 0.599

photoemission

noun 0.592

photodegradation

noun 0.592

photoprocessing

noun 0.591

electrochemistry

noun 0.591

organic chemistry

noun 0.591

photocycloaddition

noun 0.589

spectroscopy

noun 0.589

photoproduction

noun 0.589

photoelectrolysis

noun 0.589

photosystem

noun 0.587

microchemistry

noun 0.585

photoreduction

noun 0.584

photodissociation

noun 0.583

chemiluminescence

noun 0.582

computational chemistry

noun 0.581

clinical chemistry

noun 0.580

photosensitizer

noun 0.580

photorespiration

noun 0.580

photocomposition

noun 0.580

biochemistry

noun 0.579

spectrophotometry

noun 0.579

photopigment

noun 0.577

soil chemistry

noun 0.577

photopolymer

noun 0.577

photoelectric effect

noun 0.576

photoisomerization

noun 0.575

photophosphorylation

noun 0.574

photoabsorption

noun 0.573

photocatalyst

noun 0.572

photodimerization

noun 0.571

phototransduction

noun 0.571

immunochemistry

noun 0.570

photoirradiation

noun 0.570

photonics

noun 0.570

photoperiodism

noun 0.569

thermochemistry

noun 0.569

photoinhibition

noun 0.569

photodamage

noun 0.568

phototropism

noun 0.567

photoluminescence

noun 0.566

chemical biology

noun 0.566

cosmochemistry

noun 0.565

chemical energy

noun 0.564

cytochemistry

noun 0.563

photofragmentation

noun 0.563

photomorphogenesis

noun 0.560

photoallergy

noun 0.560

phototaxis

noun 0.560

photoreactivation

noun 0.559

photophobia

noun 0.559

chemotherapy

noun 0.559

photometry

noun 0.558

photobleaching

noun 0.557

chemical

noun 0.555

phytochemical

noun 0.555

photolyase

noun 0.554

coordination chemistry

noun 0.554

phototroph

noun 0.554

inorganic chemistry

noun 0.552

biophotonics

noun 0.551

photolithography

noun 0.550

photoaddition

noun 0.550