what is that tool called the one you put drops of solution in to observe if a ppt is formed?? dish...something??
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Main Entry: pe·tri dish
Pronunciation: 'pE-trE-
Function: noun
Etymology: Julius R. Petri †1921 German bacteriologist
Date: 1892
: a small shallow dish of thin glass or plastic with a loose cover used especially for cultures in bacteriology
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