test tube


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

Origin of test tube

1
First recorded in 1840–50

Other definitions for test-tube (2 of 2)

test-tube
[ test-toob, -tyoob ]

adjective
  1. produced in or as if in a test tube; synthetic or experimental.

Origin of test-tube

2
First recorded in 1885–90

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

British Dictionary definitions for test tube

test tube

noun
  1. a cylindrical round-bottomed glass tube open at one end: used in scientific experiments

  2. (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

test tube

[ tĕst ]


  1. 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.