Premodifier: porous
Head noun: glass

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

Broader concepts

labelprovenanceconfidence
porous materialisap:2987063020.673565
supportisap:2233078330.474466
materialisap:2987064280.469840
substanceisap:3356724040.425889
exampleisap:2304798510.376559

Narrower concepts

labelprovenanceconfidence