Submitted by György Chityil ... on Sat, 01/20/2018 - 01:10 Hierarchy: NounDescription: {{enzyme}} A proteolytic enzyme, that converts prothrombin into thrombin during the clotting of bloodNgram: thrombokinaseNgram Text: thrombokinaseSource: WiktionaryIssue: 0Wiktionary tag: enzymeNgram Count: 1