thermal
part of speech
adjective; noun (a thermal, thermals; thermals — warm underwear)
meaning for a pupil
1) Having to do with heat. tree →
2) Made to keep you warm, like thermal socks or a thermal vest. tree →
3) (noun) A rising current of warm air that birds and gliders use to go up. tree →
4) (noun, thermals) Warm underclothes worn in very cold weather. tree →
sense 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 →
- Wool is a good thermal insulator. tree →
- Wear your thermals when you go skiing. tree →
- The eagle circled up on a thermal. tree →
- Rotorua has bubbling thermal pools. tree →
- Firefighters use thermal cameras to find people in smoke. tree →
- My thermal flask keeps soup hot all day. tree →
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.
Trees and pragmatics
Every meaning and example of «thermal» parsed by Mova, each sentence with its dependency tree and frames.