radioisotope

noun 0.762

isotopy

noun 0.720

isomer

noun 0.688

nuclide

noun 0.684

isotopomer

noun 0.679

isotope signature

noun 0.674

isotope shift

noun 0.661

isotope dilution

noun 0.644

isotone

noun 0.639

medical isotope

noun 0.630

monoisotopic

noun 0.623

allotrope

noun 0.609

isoenzyme

noun 0.601

isoform

noun 0.601

isobar

noun 0.600

stereoisomer

noun 0.599

isozyme

noun 0.598

radionuclide

noun 0.597

radioactive

noun 0.589

isochron

noun 0.587

isoline

noun 0.586

structural isomer

noun 0.586

isomerism

noun 0.581

deuterium

noun 0.578

isotherm

noun 0.577

chemical element

noun 0.574

isochore

noun 0.568

atomic

noun 0.566

isospin

noun 0.566

atom

noun 0.554

isotropy

noun 0.554

isotopic dilution

noun 0.548

isopotential

noun 0.546

optical isomer

noun 0.544

isoscalar

noun 0.544

isochromosome

noun 0.543

neutron

noun 0.541

island

noun 0.537

isomorphism

noun 0.537

diastereoisomer

noun 0.536

isolate

noun 0.536

iso

noun 0.536

iodine

noun 0.534

isometric

noun 0.533

radionucleotide

noun 0.533

isostatic

noun 0.532

radioactive tracer

noun 0.530

isopleth

noun 0.529

isopiestic

noun 0.529

onium

noun 0.528

radioactivity

noun 0.528

subatomic particle

noun 0.526

isopod

noun 0.524

isophote

noun 0.521

uranium

noun 0.520

isothermal

noun 0.520

isomerase

noun 0.519

halogen

noun 0.519

radiochemical

noun 0.518

isometry

noun 0.515

nuclear

noun 0.515

isoleucine

noun 0.515

isothiocyanate

noun 0.513

noble gas

noun 0.513

heavy hydrogen

noun 0.513

ion

noun 0.512

isodose

noun 0.512

radiotracer

noun 0.512

isocline

noun 0.511

isochrone

noun 0.510

allotropy

noun 0.510

radioiodine

noun 0.509

diatomic

noun 0.508

enantiomer

noun 0.507

isoprene

noun 0.507

fossil

noun 0.506

hydrogen

noun 0.505

nucleotide

noun 0.505

carbon-14

noun 0.505

plutonium

noun 0.504

radiocarbon

noun 0.503

islet

noun 0.503

carbon-12

noun 0.502

molecule

noun 0.500