flask
part of speech
noun (a flask, flasks)
meaning for a pupil
1) A flask is a container that keeps drinks hot or cold, also called a vacuum flask or Thermos. tree →
2) In science, a flask is a glass container with a narrow neck, used in experiments. tree →
3) A flask can also be a small flat bottle for carrying a drink in a pocket. tree →
sense in the lessons
In everyday life families take a flask of tea or soup on a picnic or walk; in science labs, conical flasks hold liquids for experiments. In science lessons pupils learn how a vacuum flask stops heat moving in or out. Phrases: «a flask of tea», «a conical flask», «a vacuum flask».
examples
- Grandpa poured hot tea from his flask. tree →
- Take a flask of soup on the cold walk. tree →
- The scientist swirled the liquid in the flask. tree →
- A vacuum flask keeps drinks hot for hours. tree →
- The flask also keeps cold drinks cold. tree →
- Use a conical flask for this experiment. tree →
- My water flask fits in my school bag. tree →
- He was about to take a drink from a flask. tree →
note
Countable. A vacuum flask works because there is almost no air between its two walls, so heat cannot move through easily. Safety: glass flasks break; handle them with care and wear goggles in experiments.
In the corpora
- The next week they're on the bench outside the shop, sharing a flask of tea.
- I don't even like it without him," and cried into his flask of tea.
Trees and pragmatics
Every meaning and example of «flask» parsed by Mova, each sentence with its dependency tree and frames.