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Definition of Test tube
1. Noun. Glass tube closed at one end.
Definition of Test tube
1. Noun. (chemistry) a glass tube, rounded at one end and open at the other; used for small-scale laboratory tests ¹
2. Adjective. produced in a test tube ¹
3. Adjective. conceived or developed in vitro by artificial insemination ¹
¹ Source: wiktionary.com
Medical Definition of Test tube
1. A tube of thin glass closed at one end, used in the examination of urine and other chemical operations, for bacterial cultures, etc. (05 Mar 2000)
Lexicographical Neighbors of Test Tube
Literary usage of Test tube
Below you will find example usage of this term as found in modern and/or classical literature:
1. The Encyclopedia Americana: A Library of Universal Knowledge (1920)
"The object of heating only the top part of the test tube holding the urine is to
facilitate the recognition of a precipitate, a comparison of the upper and ..."
2. Manual of bacteriology by Robert Muir (1899)
"by containing some of the antiseptics used in the purification) and a little of
what subsequently escapes allowed to flow into a sterile test-tube. ..."
3. Standard methods of chemical analysis: A Manual of Analytical Methods and by Wilfred Welday Scott (1917)
"The test-tube is placed in a beaker of boiling water and kept there for thirty
... It is important to have material, test-tube, and rubber stopper dry, ..."
4. American Druggist (1891)
"Agitate 10 Cc. oil and 10 Cc. of ethylic ether in a test tube, ... Into a test
tube place 6 Gm. of the oil and 2 Gm. of a mixture of 3 parts of chemically ..."
5. Standard Methods of Chemical Analysis: A Manual of Analytical Methods and by Wilfred Welday Scott (1917)
"Half a gram of the powdered dry material is mixed with 0.1 gram dried precipitated
silica arid placed in a test-tube, Fig. 34, about 5 cm. long by 1 cm. in ..."
6. Bulletin by Kentucky Geological Survey (1907)
"The test tube, f, is connected to e by a rubber joint, as shown, and is provided
with inlet and outlet tubes, the latter being connected with the inlet tube ..."
7. Analytical Chemistry by Frederick Pearson Treadwell (1921)
"If, therefore, a fluoride be heated in a glass test-tube with concentrated sulfuric
acid, and the escaping vapors allowed to act upon water by placing a ..."
8. A Method for the Identification of Pure Organic Compounds by a Systematic by Samuel Parsons Mulliken (1904)
"Transfer the precipitate to a test-tube and redissolve in 5 ce. of a ... Boil in
a test-tube a mixture of one drop of the aldehyde and 2-3 ce. of water. ..."
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