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A liquid or gas that is used to remove heat from something.
- ‘To beat the heat, fluid-flow systems circulate coolants through the machines.’
- ‘The explosions were blamed on either leaking ammonia - the coolant involved in both cases - or overheating.’
- ‘After purification, the water is used in the gardens and as a coolant during the production process.’
- ‘In addition, the heat coming from the engine to the coolant and from the coolant to the radiator is reduced.’
- ‘You should also check the level, condition and concentration of the coolant every so often.’
- ‘Pipes were split open, releasing coolants that froze nearby structures with a coating of white, sparkling frost.’
- ‘As the coolant passes through the small tubes, it transfers the heat it has absorbed to the blowing air from the grille.’
- ‘They are used as lubricants and coolants, among other applications.’
- ‘Manual stirring will often suffice but in many cases the coolant must be sprayed on to the tool.’
- ‘When you spray it, the coolant evaporates, taking with it the latent heat of the water and the hot air around it.’
- ‘The bottle also indicates that the coolant does not cause corrosion even though there are both copper and aluminium parts in the system.’
- ‘After being used as a coolant, the water is returned to the canal about 10 degrees warmer.’
- ‘At their simplest, they rely on a coolant that absorbs and dissipates heat from the house.’
- ‘I threw some pepper in with the coolant so the little pinholes in the radiator would be plugged.’
- ‘All coolant and oil lines to and from the pods were replaced with larger diameter lines.’
- ‘The power plant also produces some 200 million liters of clean water as a result of desalinating sea water, which is used as a coolant.’
- ‘Get your engine coolant tested and adjusted to prevent the coolant from freezing up.’
- ‘As coolant circulates through the tubing, heat is removed from the refrigerator to cool the food inside.’
- ‘Because liquid coolants are prohibited in Formula 1, the only means of keeping the temperature down is the air streaming through the brake cooling vents.’
- ‘They are designed to dissipate the heat, which the coolant has absorbed from the engine.’
1930s: from cool, on the pattern of lubricant.
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