test tube
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English
[edit]Alternative forms
[edit]Pronunciation
[edit]Audio (Southern England): (file)
Noun
[edit]![](https://cdn.statically.io/img/upload.wikimedia.org/wikipedia/commons/thumb/a/a2/Two_small_test_tubes_held_in_spring_clamps.jpg/220px-Two_small_test_tubes_held_in_spring_clamps.jpg)
test tube (plural test tubes)
- (chemistry) a glass tube, rounded at one end and open at the other; used for small-scale laboratory tests
Translations
[edit]glass tube
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Adjective
[edit]test tube (not comparable)
- produced in a test tube
- conceived or developed in vitro by artificial insemination