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from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A clear, cylindrical glass tube usually open at one end and rounded at the other, used in laboratory experimentation.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. a glass tube, rounded at one end and open at the other; used for small-scale laboratory tests
  • adj. produced in a test tube
  • adj. conceived or developed in vitro by artificial insemination

from the GNU version of the Collaborative International Dictionary of English

  • n. A graduated tube.

from The Century Dictionary and Cyclopedia

  • The use of the test-tube in chemistry.
  • n. A cylinder of thin glass closed at one end, used in testing liquids.
  • n. A chlorometer.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. glass tube closed at one end


Sorry, no etymologies found.


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