ventilation
part of speech
noun (ventilation; uncountable)
meaning for a pupil
1) The movement of fresh air into a room or building and stale air out. tree →
2) The system, such as vents or fans, that does this. tree →
sense in the lessons
In science and health: good ventilation helps stop germs spreading and removes fumes. In safety: use paint or glue with good ventilation; never block air vents near a heater. Phrases: «good ventilation», «poor ventilation», «ventilation system».
examples
- Open the windows for better ventilation. tree →
- The classroom has poor ventilation and gets stuffy. tree →
- Paint the fence outside where there is plenty of ventilation. tree →
- The kitchen fan improves ventilation when we cook. tree →
- Ventilation helps reduce the spread of colds. tree →
- The ventilation system in the tunnel blows in fresh air. tree →
note
Uncountable: no «a ventilation». Verb: ventilate. Vent = an opening for air. Safety: gas heaters and fires need ventilation because they can make dangerous carbon monoxide.
Trees and pragmatics
Every meaning and example of «ventilation» parsed by Mova, each sentence with its dependency tree and frames.