test tube
a hollow cylinder of thin glass with one end closed, used in chemical and biological experimentation and analysis.
Origin of test tube
1Other definitions for test-tube (2 of 2)
produced in or as if in a test tube; synthetic or experimental.
Origin of test-tube
2Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
British Dictionary definitions for test tube
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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for 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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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