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Test tube

/ˈtes(t) ˌto͞ob/

noun
- 1. a thin glass tube closed at one end, used to hold small amounts of material for laboratory testing or experiments.
- ▪ denoting things produced or processes performed in a laboratory: "new forms of test-tube life"
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Test tube
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Laboratory glassware consisting of a finger-like length of glass or clear plastic tubing, open at the top and closed at the bottom
A test tube, also known as a culture tube or sample tube, is a common piece of laboratory glassware consisting of a finger-like length of glass or clear plastic tubing, open at the top and closed at the bottom. Test tubes are usually placed in special-purpose racks. Wikipedia
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