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test-tube

[test-toob, -tyoob] /ˈtɛstˌtub, -ˌtyub/
adjective
1.
produced in or as if in a test tube; synthetic or experimental.
Origin
1885-1890
1885-90
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Word Origin and History for testtube

test-tube

n.

1809, from test (n.) + tube (n.). So called because it originally was used to test the properties of liquids. Test-tube baby is recorded from 1935.

Online Etymology Dictionary, © 2010 Douglas Harper
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testtube in Medicine

test-tube adj.

  1. Produced or cultivated in a test tube.

  2. Conceived by or developed from fertilization in laboratory apparatus or by artificial insemination.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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