About: hydroxyl ion

Premodifier: hydroxyl
Head noun: ion

Same concepts
http://dbpedia.org/resource/Hydroxide

Broader concepts

label	provenance	confidence
anion	isap:468576911	0.479549
ion	isap:281847806	0.468704

Narrower concepts

label	provenance	confidence
pure water	isap:323286072	0.237442