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Definition of Histaminase
1. Noun. Enzyme that acts as a catalyst in converting histidine to histamine. 
Generic synonyms: Enzyme
Definition of Histaminase
1. [n -S]
Medical Definition of Histaminase
1. 
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1. Noun. Enzyme that acts as a catalyst in converting histidine to histamine. 
1. [n -S]
1.