<synset id="n14978544" type="n">
<lex_filenum>27<lex_filenum/>
<word lex_id="0">penicillinase<word/>
<word lex_id="0">beta-lactamase<word/>
<pointer refs="n14732946">Hypernym<pointer/>
<def>enzyme produced by certain bacteria that inactivates penicillin and results in resistance to that antibiotic<def/>
<synset/>