biohydrogen

noun 0.689

hydrogen

noun 0.677

hydronium

noun 0.673

oxonium

noun 0.663

hydroxyl

noun 0.661

hydrogen peroxide

noun 0.657

oxy

noun 0.651

hydroxide

noun 0.645

dihydrogen

noun 0.641

autohydrolysis

noun 0.640

hydrogen ion

noun 0.638

hydroperoxyl

noun 0.636

hydrodeoxygenation

noun 0.633

hydroxylamine

noun 0.631

hydride

noun 0.628

hydrogen burning

noun 0.625

hydrogen iodide

noun 0.624

hydrogenolysis

noun 0.624

heavy hydrogen

noun 0.623

hydroxy acid

noun 0.620

hydrogen halide

noun 0.620

hydrogen electrode

noun 0.619

hydroperoxide

noun 0.608

hydro

noun 0.607

oxyacetylene

noun 0.606

hydrosulfide

noun 0.603

hydroxylation

noun 0.601

hydrogen bromide

noun 0.600

hydrogen cyanide

noun 0.596

hydrogenosome

noun 0.595

oxide

noun 0.595

hydrogen sulfate

noun 0.595

transhydrogenase

noun 0.592

standard hydrogen electrode

noun 0.591

oxyfuel

noun 0.591

hydroxyalkyl

noun 0.588

hypochlorous acid

noun 0.587

parahydrogen

noun 0.585

oxyl

noun 0.583

tetrahydroxy

noun 0.579

hydrogen bond

noun 0.579

hydrogen sulphate

noun 0.578

peroxide

noun 0.578

hydrogen sulfite

noun 0.578

hydrogen fluoride

noun 0.578

hydrosulfite

noun 0.577

hydrogenation

noun 0.576

hydriodic acid

noun 0.575

hydrogen sulfide

noun 0.575

chlorohydrin

noun 0.574

aluminium hydride

noun 0.572

hydrazine

noun 0.572

water gas

noun 0.571

hydrogen chloride

noun 0.569

prehydrolysis

noun 0.568

hydroxamate

noun 0.567

hydrogen economy

noun 0.566

metal hydride

noun 0.566

borohydride

noun 0.564

hydrobromic acid

noun 0.563

hydroxamic acid

noun 0.561

hydroxyvitamin

noun 0.560

oxyhaemoglobin

noun 0.557

hydration

noun 0.556

trihydroxy

noun 0.556

protium

noun 0.555

oxygenase

noun 0.555

antihydrogen

noun 0.555

hydroxybutyrate

noun 0.555

heliox

noun 0.555

oxygen gas

noun 0.554

halohydrin

noun 0.553

hydroxybutyric acid

noun 0.553

monohydroxy

noun 0.551

hydrate

noun 0.550

hydroxymethylcytosine

noun 0.550

hydroconversion

noun 0.549

hydrolase

noun 0.549

superoxide

noun 0.549

oxidase

noun 0.548

protoxide

noun 0.547

hydrogen selenide

noun 0.546

dehydrogenation

noun 0.546

oxychloride

noun 0.544

dioxygen

noun 0.543

hydroxyurea

noun 0.541

hydrocarbon

noun 0.541

hydrotreatment

noun 0.541

hydrogen line

noun 0.541

hydrazinolysis

noun 0.540

hydroboration

noun 0.540

sodium peroxide

noun 0.539

oxygen

noun 0.537

hydrocracker

noun 0.537

nitrous acid

noun 0.536

ammonium hydroxide

noun 0.536

hydroxyapatite

noun 0.535

oxyradical

noun 0.535

hypochlorite

noun 0.535

oxygenator

noun 0.534