hot air
13
2.1
- noun
- /hɑt ɛr/
:
aire caliente
- A gust of hot air from the heating system puffed around Mary Frances.
- a hot air balloon
- a blast of hot air
- Hot air rises
If you can get the chimney full of hot air, it's like a siphon.
- If you can get the chimney full of hot air, it's like a siphon.
- Because when hot air rises, it cools and condenses into clouds.
- One was hot air ballooning and one was something else.
- The idea is that it straightens the hair with like a blade of hot air.
- In the regions that get more sunlight, which are those close to the equator, the hot air rises and must come down somewhere.
- In the diesel engine, the air is compressed first, which heats it up, then the fuel is injected into the hot air and ignites.
Examples
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As the heater turned on, we could feel the hot air circulating around the room.
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Stored internal heat slowly seeps out via convection—hot air rising, cold air sinking.
Academic text (2002) -
So cold air goes in, hot air comes out.
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And this is speed up if you have fast moving air, hot air across the the food.
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Grant opened it and felt the rush of hot air from outside.
Fiction book (1990) -
And so it can pull out pockets of hot air a little bit easier.
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Cool air is denser; therefore, it goes down, and hot air is less dense; therefore, it rises.
Blog text (2) -
Everyone watched as the basket swayed under the rising balloon filled with hot air.
Fiction book (2000) -
There was even a breeze that stirred the hot air, bringing the aroma of summer vegetation to her nostrils.
Fiction book (1999) -
In the summer, hot air rises quickly, making the upstairs rooms much warmer.
Synonyms
How Warm
Surface Forms
Morphology
The literal meanings of 'hot' (producing heat) and 'air' (the atmosphere) do not straightforwardly combine to mean 'insincere or empty talk.' The idiomatic sense relies on a figurative mapping (talk as 'air' and 'hot' as inflated or showy) that is not transparently predictable and is not directly mirrored in many other languages, so a B1 learner who only knows the constituents would likely not infer the meaning.
Etymology
The noun hot air describes air that has been heated and rises—think of the warm air that fills a hot air balloon or makes the road shimmer on a hot day. So, hot air today means 'air that is heated and tends to rise'.