{"id":"S89001625","label":"Polymerization","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh89001625","normalized_label":"polymerization","broader":["http://id.loc.gov/authorities/subjects/sh85022952"],"aliases":["Polymerisation","Polymers and polymerization","Polymers--Synthesis","Synthesis of polymers"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh89001625","provider":"lcsh","revision":"d8fe1ddcd42abfa9","taxonomy_revision":"f050b5d4780b1289","title":"Polymerization","url":"/topics/S89001625","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"631709012580516418","address_version":"morton4x16-v1","coordinates":[0,21,14394,25600],"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}