Premodifier: silicon
Head noun: crystal

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

Broader concepts

labelprovenanceconfidence
crystalisap:4298681830.743033

Narrower concepts

labelprovenanceconfidence
staircasesslight imperfectionisap:1096943130.444601
imperfection with each stepisap:1096943140.307349