flask

a container with a narrow mouth, used for holding liquids such as water or wine

botella, frasco, termo

• carry a flask of something

Collocations flask of water · thermos flask

• He carried a flask of wine in his backpack.

  Llevaba una botella de vino en su mochila.

a small container for holding medicine or other liquids, often made of glass and having a long neck

frasco de medicamento, ampolla

• carry a flask of something

Collocations flask of medicine · glass flask

• She carried a small flask of medicine with her.

  Llevaba un pequeño frasco de medicamento con ella.

a container used in scientific experiments, often made of glass and having a long neck or other special shape

frasco de laboratorio, recipiente de vidrio

• use a flask for something

Collocations flask of liquid · glass flask

• The scientist used a flask to hold the chemical solution.

  El científico usó un frasco para contener la solución química.