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test tube
NOUN
1.
a hollow cylinder of thin glass with one end closed, used in chemical and biological experimentation and analysis.
Source: Dictionary.com
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en.wikipedia.org/wiki/Test_tube

A test tube, also known as a culture tube or sample tube, is a common piece of laboratory glassware consisting of a finger-like length of glass or clear plastic ...

www.dictionary.com/browse/test-tube

Test-tube definition, produced in or as if in a test tube; synthetic or experimental. See more.

www.merriam-webster.com/dictionary/test%20tube

Define test tube: a glass container that is shaped like a tube which is closed at one end and that is used especially in science experiments.

www.merriam-webster.com/dictionary/test-tube

Define test-tube: in vitro — test-tube in a sentence. ... Definition of test–tube. 1: in vitro test–tube experiments. 2: produced by in vitro fertilization test–tube babies ...

www.collinsdictionary.com/us/dictionary/english/test-tube

Test tube definition: A test tube is a small tube-shaped container made from glass . Test tubes are used in... | Meaning, pronunciation, translations and examples.

www.macmillandictionary.com/us/dictionary/american/test-tube

Define test tube (noun) and get synonyms. What is test tube (noun)? test tube ( noun) meaning, pronunciation and more by Macmillan Dictionary.

dictionary.cambridge.org/us/dictionary/english/test-tube

test tube definition, meaning, what is test tube: a small glass tube with one closed and rounded end, used in scientific experiments. Learn more.

www.yourdictionary.com/test-tube

a tube of thin, transparent glass closed at one end, used in chemical experiments , etc. test-tube. made in or as in a test tube; experimental; produced by artificial ...