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pen·i·cil·lin·ase | \ ˌpe-nə-ˈsi-lə-ˌnās 
, -ˌnāz \
, -ˌnāz \Definition of penicillinase
: beta-lactamase specifically : a beta-lactamase that hydrolyzes and inactivates penicillin
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penicillinase
nounpen·i·cil·lin·ase | \ -ˈsil-ə-ˌnās, -ˌnāz \
\Medical Definition of penicillinase
: beta-lactamase specifically : a beta-lactamase that hydrolyzes and inactivates penicillin
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Time Traveler for penicillinase
The first known use of penicillinase was in 1940
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