[Elamur Dictionary](https://md.dictionary.elamur.ai/free/en/) · [this page in HTML](https://dictionary.elamur.ai/free/en/english/valve/)

[dictionaries](https://md.dictionary.elamur.ai/free/en/) / [English](https://md.dictionary.elamur.ai/free/en/english/) / [V](https://md.dictionary.elamur.ai/free/en/english/v/) / valve

# valve

noun (a valve, valves)

«valve» in the English dictionary: everyday — its meanings, how the lessons use it, and examples, each with its tree on Mova.

## Everyday

1. A valve is a part that opens and closes to control how a liquid or gas flows through a pipe or tube. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/V/valve/#m1)
2. In the body, the heart has valves that let blood flow only one way. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/V/valve/#m2)
3. On some brass instruments like the trumpet, valves are buttons that change the note. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/V/valve/#m3)

### In the lessons

In science lessons, heart valves stop blood from flowing backwards; the «lub-dub» heartbeat sound is valves closing. In everyday life, a tyre or ball has a valve for pumping air in, and taps work like valves. Phrases: «heart valve», «tyre valve», «safety valve», «open the valve».

### Examples

- The heart has four valves. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/V/valve/#x1)
- Push the pump onto the valve to blow up the ball. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/V/valve/#x2)
- A valve stops the blood from going backwards. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/V/valve/#x3)
- The plumber closed the valve to turn off the water. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/V/valve/#x4)
- The trumpet has three valves. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/V/valve/#x5)
- A safety valve lets out steam if the pressure gets too high. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/V/valve/#x6)

### Note

Countable noun, plural valves. Spelt with -lve. In biology the heart has four valves. A «safety valve» can also mean a way to let out strong feelings safely.

## On Mova

- [Trees and pragmatics of «valve» in the school dictionary](https://mova.elamur.ai/free/en/corpora/dictionaries/school/V/valve/): every meaning and example parsed by Mova, with its dependency tree and frames.
- [«valve» in the school dictionary](https://mova.elamur.ai/free/en/dictionaries/school/w/valve.html) on Mova free.