About: rocket engine

Premodifier: rocket
Head noun: engine

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

Broader concepts

label	provenance	confidence
combustion engine	isap:395701798	0.782922
aerospace technology	isap:21200500	0.745613
reaction engine	isap:395701466	0.659126
component	isap:425376652	0.577940
device	isap:392378720	0.501261
technology	isap:21200409	0.477961
system	isap:387764071	0.408649

Narrower concepts

label	provenance	confidence
f-1	isap:213155913	0.180668