distillation
part of speech
noun (distillation, uncountable; a distillation, distillations)
meaning for a pupil
1) Distillation is a way of making a liquid pure by heating it until it turns into vapour (gas), then cooling the vapour so it turns back into liquid and collecting it. tree →
2) A distillation is the most important part of something, kept after the rest is taken away. tree →
sense in the lessons
In science lessons, distillation is a method of separating mixtures: salty water can be distilled to get pure water, because the water evaporates and condenses but the salt stays behind. It uses evaporation and condensation. Phrases: simple distillation, fractional distillation, distilled water.
examples
- Distillation can turn sea water into drinking water. tree →
- In distillation, the water evaporates and then condenses. tree →
- The salt is left behind after distillation. tree →
- Distilled water is very pure. tree →
- We watched a distillation experiment in the science lab. tree →
- Fractional distillation separates crude oil into different fuels. tree →
- Her talk was a distillation of years of study. tree →
note
Mostly uncountable. Verb: distil (British) or distill (American); the noun «distillation» is spelt with double l everywhere. Distillation is not the same as filtering: filtering removes solid bits, but it cannot remove salt dissolved in water.
In the corpora
- Distillation is boiling a liquid and cooling the steam back to liquid; the drops are pure water, and the salt stays behind.
- Ships and some dry countries make drinking water from seawater by distillation and other methods.
- To get pure water from salty water, the vapour must be collected and cooled so it condenses; this is called distillation.
Trees and pragmatics
Every meaning and example of «distillation» parsed by Mova, each sentence with its dependency tree and frames.