1. test tube - Noun
2. test tube - Adjective
English Wikipedia has an article on:test tubeWikipedia
two test tubes
test tube (plural test tubes)
(chemistry) a glass tube, rounded at one end and open at the other; used for small-scale laboratory tests
produced in a test tube
conceived or developed in vitro by artificial insemination
Source: en.wiktionary.orgtest-tube
The difference between writing a book and being on television is the difference between conceiving a child and having a baby made in a test tube. Norman Mailer
Our parents were a test tube and a turkey baster. James Patterson
Wise are they who have learned these truths: Trouble is temporary. Time is tonic. Tribulation is a test tube. William Arthur Ward
Dr. Martinez: "I take it you don't want me to call your parent?" Max: "Uh, no." Hello, lab? May I speak to the test tube please? James Patterson
A colloquial term for babies conceived as the result of IVF, "test tube babies", refers to the tube-shaped containers of glass or plastic resin, called test tubes, that are commonly used in chemistry labs and biology labs. Source: Internet
A computer made from strands of DNA in a test tube can calculate the square root of numbers up to 900. Source: Internet