photoion

noun 0.858

ionization

noun 0.771

ionization energy

noun 0.671

photoemission

noun 0.636

photoinitiation

noun 0.626

photodissociation

noun 0.622

photoirradiation

noun 0.613

photoexcitation

noun 0.610

ionizing radiation

noun 0.609

photoelectron

noun 0.599

ion

noun 0.598

photoinactivation

noun 0.594

photodesorption

noun 0.593

photoisomerization

noun 0.592

photolysis

noun 0.588

photofragmentation

noun 0.576

photodisintegration

noun 0.566

photoelectrolysis

noun 0.565

photodetachment

noun 0.557

ion chromatography

noun 0.557

hydrogen ion

noun 0.556

photoactivation

noun 0.554

ionizer

noun 0.547

photooxidation

noun 0.543

photoelectric effect

noun 0.541

radical ion

noun 0.539

photooxygenation

noun 0.538

photoabsorption

noun 0.537

radiolysis

noun 0.536

radiative recombination

noun 0.535

photogeneration

noun 0.532

degree of ionization

noun 0.530

radioiodine

noun 0.529

photoproduction

noun 0.528

ozonization

noun 0.528

deionization

noun 0.523

non-ionizing radiation

noun 0.522

ison

noun 0.521

photoinhibition

noun 0.521

ionosonde

noun 0.518

photoinitiator

noun 0.516

photochemistry

noun 0.516

photoreaction

noun 0.515

polyion

noun 0.515

photodecomposition

noun 0.512

ion exchange

noun 0.512

photochemical reaction

noun 0.511

ionic crystal

noun 0.511

photocatalysis

noun 0.510

ionosphere

noun 0.509

complex ion

noun 0.505

biophotolysis

noun 0.505

radiation chemistry

noun 0.504

photosensitization

noun 0.503

pair production

noun 0.502

alpha emission

noun 0.501