Petri dish /ˈpiːtri-/ noun
plural Petri dishes
Petri dish
/ˈpiːtri-/
noun
plural Petri dishes
Learner's definition of PETRI DISH
[count]
: a small, shallow dish that has a loose cover and that is used in scientific experiments especially for growing bacteria皮氏培养皿（用于科学实验，尤其是培养细菌）