About: cathode-ray tube

Premodifier: cathode-ray
Head noun: tube

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

Broader concepts

label	provenance	confidence
display	isap:12039121	0.580034
application	isap:417013319	0.566190
vacuum tube	isap:170837251	0.540236
signal in a display	isap:305298485	0.529674
display screen	isap:306527091	0.494170
device	isap:302431255	0.487063

Narrower concepts

label	provenance	confidence
television receiver	isap:380504972	0.514561
television	isap:505093043	0.427429
screen	isap:490083384	0.395689