About: optical radiation

Premodifier: optical
Head noun: radiation

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

Broader concepts

label	provenance	confidence
electromagnetic radiation	isap:352612662	0.653777
radiation	isap:352612605	0.384608

Narrower concepts

label	provenance	confidence
infrared radiation	isap:352612616	0.795722
light	isap:336932823	0.381288
laser	isap:338207198	0.341523
uv	isap:98168762	0.188461