Definition of petri dish in English:

petri dish

Syllabification: pe·tri dish
Pronunciation: /ˈpētrē ˌdiSH


  • A shallow, circular, transparent dish with a flat lid, used for the culture of microorganisms.
    More example sentences
    • Five pieces of embryogenic tissue were cultured in Petri dishes containing 35 ml maturation medium.
    • Twenty fresh anthers were selected from ten plants at random; ten were kept on dry blotting paper in Petri dishes and the other ten were kept in Petri dishes containing water-saturated blotting paper.
    • Serial dilutions of homogenized lungs were plated on Petri dishes containing trypticase soy agar.


late 19th century: named after Julius R. Petri (1852–1922), German bacteriologist.

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a small amount; a little