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test tube

/ˈtest ˌtjuːb/

Tradução: Recipiente fino de vidro ou plástico, geralmente cilíndrico e aberto em uma extremidade, usado em laboratórios para armazenar, misturar ou aquecer pequenas quantidades de substâncias em experimentos.

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phrase

/ˈtest ˌtjuːb/B1formalscientific
  • ptRecipiente fino de vidro ou plástico, geralmente cilíndrico e aberto em uma extremidade, usado em laboratórios para armazenar, misturar ou aquecer pequenas quantidades de substâncias em experimentos.

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.

    ptTubo de ensaio

    • 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).

    ptfertilização in vitro

    • 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.