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Medical Dictionary

petri dish

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noun pe·tri dish \ˈpē-trē-\

Medical Definition of petri dish

  1. :  a small shallow dish of thin glass or plastic with a loose cover used especially for cultures in bacteriology



Biographical Note for petri dish

Petri \ˈpā-trē\play , Julius Richard (1852–1921), German bacteriologist. Petri was an assistant to the eminent bacteriologist Robert Koch. In 1887 Petri introduced a vessel for growing bacteria that consists of two round rimmed plates, one serving as a cover for the other.


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a division or portion of a pool or whole

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