bac·​te·​ri·​o·​stat bak-ˈtir-ē-ō-ˌstat How to pronounce bacteriostat (audio)
: an agent that causes bacteriostasis
bacteriostatic adjective

Word History

First Known Use

1920, in the meaning defined above

Time Traveler
The first known use of bacteriostat was in 1920

Dictionary Entries Near bacteriostat

Cite this Entry

“Bacteriostat.” Dictionary, Merriam-Webster, Accessed 24 Apr. 2024.

Medical Definition


bac·​te·​ri·​o·​stat -ˈtir-ē-ō-ˌstat How to pronounce bacteriostat (audio)
variants also bacteriostatic
: an agent that causes bacteriostasis
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