|a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.|
|a gadget; dingus; thingumbob.|
|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.
Produced or cultivated in a test tube.
Conceived by or developed from fertilization in laboratory apparatus or by artificial insemination.
|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.