a substance or preparation that inhibits the further growth of bacteria.
any substance that arrests the growth or reproduction of bacteria but does not kill them

bacteriostat bac·te·ri·o·stat (bāk-tēr’ē-ə-stāt’)
An agent, such as a chemical, that inhibits bacterial growth.


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  • Bacteriostatic

    the prevention of the further growth of bacteria. noun (pl) -stases (-ˈsteɪsiːz; -ˈstæsiːz) inhibition of the growth and reproduction of bacteria, esp by the action of a chemical agent bacteriostatic bac·te·ri·o·stat·ic (bāk-tēr’ē-ō-stāt’ĭk) adj. Inhibiting or retarding the growth of bacteria.

  • Bacteriotoxin

    noun any toxin that kills bacteria a toxin produced by bacteria

  • Bacterize

    to change in composition by means of bacteria.

  • Bacterium

    singular of bacteria. ubiquitous one-celled organisms, spherical, spiral, or rod-shaped and appearing singly or in chains, comprising the Schizomycota, a phylum of the kingdom Monera (in some classification systems the plant class Schizomycetes), various species of which are involved in fermentation, putrefaction, infectious diseases, or nitrogen fixation. Contemporary Examples Pertussis, or “whooping cough,” is caused […]

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