test tube: Meaning and Definition of

test' tube"

Pronunciation: [key]
  1. a hollow cylinder of thin glass with one end closed, used in chemical and biological experimentation and analysis.


Pronunciation: (test'tb", -tyb"), [key]
— adj.
  1. produced in or as if in a test tube; synthetic or experimental.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.