beta-lactamase betake oneself • beta-lipoprotein · · · Info · Definitions · Synonyms · Characters · · beta-lactamase · · Text Common · · Latin · · Scripts 14 · · Length 5 · · Syllables Definitions · · · (noun) enzyme produced by certain bacteria that inactivates penicillin and results in resistance to that antibiotic. Synonyms: penicillinase. · · Noun Definition 1 Synonyms · · · penicillinase · · Synonym 1 Characters · · - hyphen-minus U+002D a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 e latin small letter e U+0065 l latin small letter l U+006C m latin small letter m U+006D s latin small letter s U+0073 t latin small letter t U+0074