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# thermal

adjective; noun (a thermal, thermals; thermals — warm underwear)

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

## Everyday

1. Having to do with heat. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/T/thermal/#m1)
2. Made to keep you warm, like thermal socks or a thermal vest. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/T/thermal/#m2)
3. (noun) A rising current of warm air that birds and gliders use to go up. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/T/thermal/#m3)
4. (noun, thermals) Warm underclothes worn in very cold weather. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/T/thermal/#m4)

### In the lessons

In science lessons, «thermal energy» is heat energy; «thermal insulators» (wool, plastic) keep heat in; a «thermal imaging camera» shows warm things. Geography: «thermal springs» are hot springs, as in Rotorua in New Zealand. Eagles soar on thermals. Phrases: «thermal energy», «thermal insulation», «thermal springs», «thermal underwear».

### Examples

- Thermal energy flows from hot things to cold things. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/T/thermal/#x1)
- Wool is a good thermal insulator. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/T/thermal/#x2)
- Wear your thermals when you go skiing. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/T/thermal/#x3)
- The eagle circled up on a thermal. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/T/thermal/#x4)
- Rotorua has bubbling thermal pools. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/T/thermal/#x5)
- Firefighters use thermal cameras to find people in smoke. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/T/thermal/#x6)
- My thermal flask keeps soup hot all day. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/T/thermal/#x7)

### Note

From the Greek word for heat, like «thermometer». As a noun for underwear it is usually plural: «thermals». Trap: «thermal» is about heat, but «thermal clothes» are worn to keep warm, not to cool down.

## On Mova

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