luciferin

noun 0.794

lucigenin

noun 0.704

luciferase

noun 0.663

oxyl

noun 0.658

oxylipin

noun 0.637

luminol

noun 0.591

oxoglutarate

noun 0.588

glyoxylic acid

noun 0.557

luminophore

noun 0.557

oxaloacetate

noun 0.554

oxynitride

noun 0.554

oxyfluoride

noun 0.544

xylulose

noun 0.540

xylose

noun 0.537

oxaloacetic acid

noun 0.537

oxaliplatin

noun 0.525

aequorin

noun 0.524

dioxetane

noun 0.523

oxidase

noun 0.519

chemiluminescence

noun 0.517

oxalic acid

noun 0.517

bioluminescence

noun 0.516

oxalate

noun 0.513

fucoxanthin

noun 0.511

coelenterazine

noun 0.510

violaxanthin

noun 0.507

oxidizer

noun 0.506

oxine

noun 0.506

oxysterol

noun 0.505

aldoxime

noun 0.503

dioxygenase

noun 0.502

xanthophyll

noun 0.502

xanthine oxidase

noun 0.502

xylyl

noun 0.502

dioxygen

noun 0.501