radiocarbon dating

noun 0.854

radiocarbon

noun 0.776

carbon-14

noun 0.681

carbon

noun 0.640

carbon cycle

noun 0.606

carbon dioxide

noun 0.603

dating

noun 0.602

dendrochronology

noun 0.588

carbon cost

noun 0.574

carbon burning

noun 0.567

computer dating

noun 0.563

black carbon

noun 0.554

relative dating

noun 0.550

activated carbon

noun 0.547

carbo

noun 0.547

carbon-12

noun 0.547

carbon trading

noun 0.547

radioactive decay

noun 0.545

carbon footprint

noun 0.536

carbon oxide

noun 0.535

carbon sequestration

noun 0.535

carbon tax

noun 0.533

carbon credit

noun 0.533

radioactive

noun 0.529

carbonation

noun 0.528

carbon fiber

noun 0.527

carbon monoxide

noun 0.526

carbonate

noun 0.526

carbon fixation

noun 0.524

inorganic carbon

noun 0.520

carbon paper

noun 0.519

biochronology

noun 0.515

gas chromatography

noun 0.514

thermochronology

noun 0.511

bomb calorimeter

noun 0.509

radioactivity

noun 0.507

carbon nanotube

noun 0.506

radiochemistry

noun 0.506

calcium carbonate

noun 0.505

carbon offset

noun 0.505

computed tomography

noun 0.505

carbohydrate

noun 0.502

carbon black

noun 0.500

radioisotope

noun 0.500