A flask is a small bottle or container used to carry liquids, often designed to fit in a pocket or bag. In science, it is a glass container used in laboratories for mixing or heating liquids.
“Flask” comes from Old French “flasche,” from Late Latin “flasca,” meaning “bottle” or “container.” It’s related to the idea of a vessel that is narrow at the top and wider below.
The same word is used for a hiker’s water flask and a chemist’s Erlenmeyer flask, even though they look different. What unites them is their job: safely holding liquids in a portable or controllable way.
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