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test' tube"




a hollow cylinder of thin glass with one end closed, used in chemical and biological experimentation and analysis.

test-tube



Pronunciation: (test'tOOb", -tyOOb"), [key]
adj.
produced in or as if in a test tube; synthetic or experimental.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

test statistictest-tube baby
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