Jisho

×
Noun
1. test tube
Wikipedia definition
2. Test tubeA 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, usually with a rounded U-shaped bottom. A large test tube designed specifically for boiling liquids is called a boiling tube. Test tubes are available in a multitude of lengths and widths, typically from 10 to 20 mm wide and 50 to 200 mm long.
Read “Test tube” on English Wikipedia
Read “試験管” on Japanese Wikipedia
Read “Test tube” on DBpedia

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