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test tube definition

test tube

a tube of thin, transparent glass closed at one end, used in chemical experiments, etc.
test-tube definition

test·-tube (test′to̵̅o̅b′, -tyo̵̅o̅b′)

adjective

  1. made in or as in a test tube; experimental
  2. produced by artificial insemination a test-tube baby

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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