About: absence of oxygen

Head noun: absence
Postmodifier: of oxygen

Same concepts

Broader concepts

label	provenance	confidence
reactive gas	isap:510682889	0.509481
condition	isap:321096543	0.432389
compound	isap:46969696	0.326951

Narrower concepts

label	provenance	confidence
inert gas atmosphere	isap:220521682	0.449173
presence of nitrogen	isap:345101115	0.433014
water	isap:226786568	0.300505