the.com/coolant
the unsung bodyguard standing between your engine and a fiery, expensive divorce.
means A fluid that circulates through a system to absorb and carry away excess heat, keeping engines and machines from overheating.
from A straightforward modern coinage: "cool" (from Old English "cōl," meaning moderately cold) fitted with the suffix "-ant" — the same agent-forming ending seen in "lubricant" and "coolant's" chemical cousins, marking a substance that does a job. It surfaced in the industrial age alongside the engines it was built to babysit.
- freeze defense
- Lowers water's freezing point well below zero
- sweet poison
- Ethylene glycol tastes sweet, kills pets fast
- raises boiling
- Also pushes boiling point past 100 Celsius
- reactor duty
- Nuclear plants use coolant to stop meltdowns
- dyed bright
- Colored neon to spot leaks instantly
glycol ethylene antifreeze — most common car radiator coolant since the 1920s, toxic to humans and animals
propylene glycol coolant — safer alternative used in rvs and marine engines, less toxic than ethylene
liquid nitrogen cooling — used in high-performance computing and overclocking, reaches -196°c