About: optical coating

Premodifier: optical
Head noun: coating

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

Broader concepts

label	provenance	confidence
application	isap:67275986	0.615942
material	isap:46940436	0.545581
technology	isap:243240520	0.301248

Narrower concepts

label	provenance	confidence