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# precision

noun (precision — uncountable); adjective (precision tools, precision engineering)

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

## Everyday

1. Precision means being very exact and careful, getting every small detail right. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/P/precision/#m1)
2. (maths, science) Precision is how exact a measurement is, for example to the nearest millimetre rather than to the nearest metre. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/P/precision/#m2)
3. As an adjective before a noun, precision means made to be very exact (precision tools). [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/P/precision/#m3)

### In the lessons

In maths and science, precision is about the number of decimal places or how small the units are (3.14159 is more precise than 3.14). Precision differs from accuracy: accurate means close to the true value, precise means exact and repeatable. In stories and sport it shows skill (a goal kicked with precision).

### Examples

- She cut the paper with great precision. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/P/precision/#x1)
- Measure to the nearest millimetre for more precision. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/P/precision/#x2)
- Surgeons work with precision. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/P/precision/#x3)
- The arrow hit the target with amazing precision. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/P/precision/#x4)
- Giving π as 3.14159 shows more precision than 3.14. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/P/precision/#x5)
- The watch was made with precision tools. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/P/precision/#x6)
- Gymnasts need precision and balance. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/P/precision/#x7)
- The specific actions of the two waters are described with great precision in this story. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/P/precision/#x8)

### Note

Uncountable: "with precision", not "a precision". Adjective: precise; adverb: precisely. Trap: precision is not accuracy — you can be very precise and still wrong (5.287 m when the real length is 6 m). Spelling: -sion, not -tion.

## On Mova

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