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# fluid

«fluid» in Mova's school dictionary: **a substance that can flow, such as a liquid or a gas** — its meaning for a pupil, its sense in the lessons and examples, with 4 sentences of Mova's corpora that use it.

### part of speech

noun (a fluid, fluids); adjective (fluid)

### meaning for a pupil

1) A fluid is a substance that can flow, such as a liquid or a gas. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fluid/#m1)

2) Fluids often means liquids you drink, like water and juice. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fluid/#m2)

3) As an adjective, fluid means moving smoothly and easily, or able to change. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fluid/#m3)

### sense in the lessons

In science fluids take the shape of their container and flow; air and water are both fluids. In health lessons you «drink plenty of fluids» when ill or hot. Phrases: «drink fluids», «body fluids», «cleaning fluid», «fluid movements».

### examples

- Water and air are both fluids. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fluid/#x1)
- When you have a fever, drink plenty of fluids. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fluid/#x2)
- The nurse checked how much fluid the patient drank. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fluid/#x3)
- The dancer's movements were fluid and graceful. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fluid/#x4)
- Brake fluid helps a car stop. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fluid/#x5)
- Keep cleaning fluids away from little children. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fluid/#x6)
- Our plans are still fluid. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fluid/#x7)
- The Fox and the Hare are sent in quest of the magic fluid. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fluid/#x8)

### note

Countable or uncountable. Pronounced FLOO-id. Trap: «fluid» is not only liquid — gases are fluids too. Never drink a fluid from an unlabelled bottle; it could be poisonous.

### In the corpora

- [Smooth cartilage and a slippery fluid let the ends of bones glide in a joint.](https://md.mova.elamur.ai/free/en/corpora/school/biology/64-cells-bones-and-muscles/14/)
- [With a cold or a fever, eat what you can and drink plenty, because the body needs fluids and energy in both.](https://md.mova.elamur.ai/free/en/corpora/school/everyday/82-getting-better-and-medicines/4/)
- [Whether you have a cold or a fever, the body needs fluids and energy; starving a fever is not a good idea.](https://md.mova.elamur.ai/free/en/corpora/school/medicine/7-colds-and-flu/12/)
- [Milk gives fluid, protein for muscles and calcium for bones, which makes it a good drink after exercise.](https://md.mova.elamur.ai/free/en/corpora/school/medicine/53-breakfast-before-a-match-and-food-after/14/)

### Trees and pragmatics

[Every meaning and example of «fluid» parsed by Mova](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fluid/), each sentence with its dependency tree and frames.