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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-tube

2 days ago ... Define test-tube: in vitro; produced by in vitro fertilization — test-tube in a sentence.

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.

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 ...

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.

www.vocabulary.com/dictionary/test%20tube

conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases. Word Family. test tubetest tubes. the "test ...

www.thefreedictionary.com/test+tube

Define test tube. test tube synonyms, test tube pronunciation, test tube translation, English dictionary definition of test tube. n. A clear, cylindrical glass tube ...