About: nitrogen dioxide

Premodifier: nitrogen
Head noun: dioxide

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

Broader concepts

label	provenance	confidence
air pollutant	isap:318504734	0.899911
pollutant	isap:318504727	0.830377
other traffic-related pollutant	isap:318504786	0.803150
indoor air pollutant	isap:318504809	0.774772
regional pollutant	isap:318504773	0.751077
primary pollutant	isap:318504792	0.740583
traffic pollutant	isap:318504808	0.740371
nitrogen compound	isap:45821391	0.739586
ozone precursor	isap:316293997	0.739585
poisonous gas	isap:511349492	0.734786
other pollutant	isap:318504757	0.726236
toxic gas	isap:511349406	0.710984
acid gas	isap:511349813	0.688267
oxide of nitrogen	isap:33195523	0.685109
gas	isap:511349378	0.643677
toxic pollutant	isap:318504832	0.631760
common air pollutant	isap:318504772	0.628624
air pollutants	isap:244914884	0.601564
secondary pollutant	isap:318504776	0.600523
important gas	isap:511349550	0.593327
noxious gas	isap:511349637	0.578367
compound	isap:45821364	0.572709
level of air pollutant	isap:32155562	0.568652
impurity	isap:46368076	0.562250
substance	isap:319273439	0.560407
form of nitrogen oxide	isap:70499402	0.555588
nitrogen oxide	isap:33195502	0.540393
particulate	isap:67064341	0.519706
nox	isap:511340851	0.504155
derivative	isap:244599958	0.501182
nitrogen	isap:48775410	0.498181
parameter	isap:319408181	0.497001
chemical	isap:48820015	0.427207
agent	isap:34259758	0.397910
phenol	isap:272205597	0.367920
precursor	isap:316294000	0.344368
aerosol	isap:432134025	0.299437
oxide	isap:33195529	0.282974
atmosphere	isap:243106879	0.193361

Narrower concepts

label	provenance	confidence
diesel engine	isap:439287270	0.381277
dust	isap:3251414	0.289053