About: unburned hydrocarbon

Premodifier: unburned
Head noun: hydrocarbon

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

Broader concepts

label	provenance	confidence
air pollutant	isap:278154539	0.736235
pollutant	isap:278154533	0.584411
emission	isap:463650143	0.526469
emission of pollutant	isap:463650150	0.475256
pollution	isap:278151985	0.384409

Narrower concepts

label	provenance	confidence
carbon monoxide	isap:83616042	0.746024
soot	isap:417261873	0.388811