|1.||a cylindrical round-bottomed glass tube open at one end: used in scientific experiments|
|2.||(modifier) made synthetically in, or as if in, a test tube: a test-tube product|
test tube n.
A clear, cylindrical glass tube usually open at one end and rounded at the other, used in laboratory experimentation.
|the offspring of a zebra and a donkey.|
|a scrap or morsel of food left at a meal.|
|test tube (těst) Pronunciation Key
A cylindrical tube of clear glass, usually open at one end and rounded at the other, used as a container for small amounts of a substance in laboratory tests and experiments.