{"id":"S85055125","label":"Glass-ceramics","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85055125","normalized_label":"glass-ceramics","broader":["http://id.loc.gov/authorities/subjects/sh85022017","http://id.loc.gov/authorities/subjects/sh85055102"],"aliases":["Devitrified glass","Pyroceram","Pyroceramics"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85055125","provider":"lcsh","revision":"5b767dd791207288","taxonomy_revision":"f050b5d4780b1289","title":"Glass-ceramics","url":"/topics/S85055125","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"866956414533648960","address_version":"morton4x16-v1","coordinates":[0,20,18266,21504],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}