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# fahrenheit

noun and adjective (Fahrenheit — usually written with a capital F; symbol °F)

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

## Everyday

1. Fahrenheit is a scale for measuring temperature, on which water freezes at 32 degrees and boils at 212 degrees. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/F/fahrenheit/#m1)
2. It is named after the scientist Daniel Gabriel Fahrenheit, who invented it. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/F/fahrenheit/#m2)

### In the lessons

In the USA, weather reports, ovens and fevers use Fahrenheit; in the UK, Canada, Australia, New Zealand and Ireland most temperatures are in Celsius, though older people in the UK sometimes say Fahrenheit for hot days. In maths and science pupils compare and convert the two scales. Phrases: degrees Fahrenheit, 98.6 °F (normal body temperature).

### Examples

- Water freezes at 32 degrees Fahrenheit. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/F/fahrenheit/#x1)
- It's 90 degrees Fahrenheit in Texas today — that's very hot! [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/F/fahrenheit/#x2)
- Water boils at 212 °F. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/F/fahrenheit/#x3)
- Normal body temperature is about 98.6 °F. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/F/fahrenheit/#x4)
- Set the oven to 350 degrees Fahrenheit. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/F/fahrenheit/#x5)
- In Canada the weather forecast is in Celsius, not Fahrenheit. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/F/fahrenheit/#x6)
- Grandad says it's «in the seventies» when it's warm. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/F/fahrenheit/#x7)

### Note

Write it with a capital F: Fahrenheit, °F. Spelling trap: Fahr-en-heit («hr» and «ei»). In maths: to change Celsius to Fahrenheit, multiply by 9, divide by 5, then add 32 (20 °C → 20 × 9 ÷ 5 + 32 = 68 °F). To go back: subtract 32, multiply by 5, divide by 9. −40 °C = −40 °F.

## On Mova

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