Submitted by György Chityil ... on Fri, 01/19/2018 - 18:28 Hierarchy: InitialismDescription: {{organic chemistry}} polybutylene terephthalateNgram: PBTNgram Text: PBTSource: WiktionaryIssue: 0Wiktionary tag: organic chemistryNgram Count: 1Wikokit WikiText ID: 130291