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test tube
1noun
- a hollow cylinder of thin glass with one end closed, used in chemical and biological experimentation and analysis.
test-tube
2[ test-toob, -tyoob ]
adjective
- produced in or as if in a test tube; synthetic or experimental.
test tube
noun
- a cylindrical round-bottomed glass tube open at one end: used in scientific experiments
- modifier made synthetically in, or as if in, a test tube
a test-tube product
test tube
/ tĕst /
- A cylindrical tube of clear glass, usually open at one end and rounded at the other, used as a container for small amounts of a substance in laboratory tests and experiments.
Word History and Origins
Origin of test tube1
Origin of test tube2
Example Sentences
It is a mega-leap from the agar and test-tube finding to real patients and their delicate lungs.
Scientists hope the five-ounce patty, made from 100 percent test-tube meat, heralds the future of food production.
Participants would spit in a test tube before the start of the match, immediately after, and the next morning.
Should the vapor not condense well, the test-tube may be immersed in a glass of cold water.
For comparison, the gas may be passed through a test-tube containing an equal amount of distilled water.
The animal body is not a test-tube and, in it, the laws of physics are modified by those of physiology.
If sulphur is put into a test tube and heated, it at first melts and becomes quite thin like water.
To a little of this filtrate in a test tube add the same volume of a saturated aqueous solution of picric acid.
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