test tube

• Ein schmales, meist zylindrisches Behältnis aus Glas oder Kunststoff, das an einem Ende offen ist und in wissenschaftlichen Labors verwendet wird, um kleine Mengen von Stoffen aufzubewahren, zu mischen oder zu erhitzen.

A thin glass or plastic container, typically cylindrical and open at one end, used in scientific laboratories for holding, mixing, or heating small quantities of substances during experiments.

1. Laboratory containerB1formal

   A thin glass or plastic tube, closed at one end, used in scientific experiments to hold small amounts of substances.

   Reagenzglas

   • The chemist carefully poured the liquid into a test tube.
   • She labeled each test tube with the sample name.
   • The test tube was heated over a Bunsen burner.

2. B2informal

   Used in the phrase 'test-tube baby' to refer to a baby conceived through in vitro fertilization (IVF).

   In-vitro-Fertilisation

   • The first test-tube baby was born in 1978.
   • Many couples turn to test-tube technology to conceive.
   • The clinic specializes in test-tube fertilization procedures.