Flask
/flˈæsk/
Listen pronunciation
Definition
(noun) A narrow-necked vessel of metal or glass, used for various purposes; as of sheet metal, to carry gunpowder in; or of wrought iron, to contain quicksilver; or of glass, to heat water in, etc.
Sentence Examples
No, Yumi put it in a thermos flask and brought it into the club room.
Tom took a swig from the flask.
CEFR Practice Quiz
The scientist poured the blue liquid into a glass ____ for the next stage of the experiment.