About: cycle hum

Premodifier: cycle
Head noun: hum

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

Broader concepts

label	provenance	confidence
interference	isap:241309731	0.639227
problem	isap:234340883	0.627730
noise	isap:467262551	0.253338

Narrower concepts

label	provenance	confidence