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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 is a simple piece of laboratory equipment made from glass or clear plastic shaped like a thin finger, with one end open and the other end sealed. It's used in science experiments and research to hold, mix, and heat small amounts of liquids or other materials.
AI-generated from the Wikipedia summary — may contain errors.
Key facts
- Other names
- Culture tube
- Uses
- Chemical reaction
- Related items
- Vacutainer , Boiling tube , Centrifuge tube
via Wikipedia infobox
~5 min read
Encyclopedic overview
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 or longer of glass or clear plastic tubing, open at the top and closed at the bottom.
Test tubes are usually placed in special-purpose racks.
Excerpted from Wikipedia’s “test tube” article, available under the CC BY-SA 4.0 licence.