octane

noun 0.859

cetane number

noun 0.699

octan

noun 0.647

octanone

noun 0.646

oxidation number

noun 0.607

isooctane

noun 0.586

cetane

noun 0.585

antiknock

noun 0.547

atomic number

noun 0.547

ordinal number

noun 0.540

octanoic acid

noun 0.537

decane

noun 0.532

octanal

noun 0.531

octave

noun 0.515

odometer

noun 0.513

octal

noun 0.512

cyclooctane

noun 0.511

number

noun 0.508

engine oil

noun 0.504

quantum number

noun 0.503

motor oil

noun 0.502

oxetane

noun 0.502

nonane

noun 0.501

n-heptane

noun 0.501