Test-tube meaning

tĕstto͝ob, -tyo͝ob
Produced or cultivated in a test tube.
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A clear, cylindrical glass tube usually open at one end and rounded at the other, used in laboratory experimentation.
noun
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Produced or cultivated in a test tube.
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Produced, developed, or tested in a laboratory.

Test-tube corn.

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A tube of thin, transparent glass closed at one end, used in chemical experiments, etc.
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Made in or as in a test tube; experimental.
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Produced by artificial insemination.

A test-tube baby.

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Produced, developed, or tested in a laboratory.

Test-tube corn.

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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.
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(chemistry) A glass tube, rounded at one end and open at the other; used for small-scale laboratory tests.
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Produced in a test tube.
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Conceived or developed in vitro by artificial insemination.
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Test-tube Sentence Examples

  • When heating or mixing chemicals in a test tube never look directly into it.

  • Gruber and Durham showed that sedimentation occurred when a small quantity of the homologous serum was added to an emul:_on of the bacterium in a small test-tube, and found that this obtained in all cases where Pfeiffer's lysogenic action could be demonstrated.

  • Down the inner test tube pass four copper strips having platinum wires at their ends sealed through the glass.

  • "Imperfects." These failed test-tube babies will become your greatest adversaries while you play through a couple dozen levels of not-so-hotness with a cast of characters.

  • In the "diffusion column" method, a liquid column uniformly varying in density from about 3.3 to I is prepared by pouring a little methylene iodide into a long test tube and adding five times as much benzene.

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