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Definition of Petri dish noun from the Oxford Advanced Learner's Dictionary

Petri dish

noun
 
/ˈpetri dɪʃ/,
 
/ˈpiːtri dɪʃ/
 
/ˈpetri dɪʃ/,
 
/ˈpiːtri dɪʃ/
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  1. a shallow covered dish used for growing bacteria, etc. in
    Word Originlate 19th cent.: named after Julius R. Petri (1852–1922), German bacteriologist.
See Petri dish in the Oxford Advanced American Dictionary
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Nearby words

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