Etymology
The word "coolant" comes from the Latin word "colare," which means "to strain."
Meaning and Origin
A coolant is a substance used to extract heat from another substance. Coolants are often used in engines, refrigerators, and other systems where it is necessary to remove heat.
The first coolants were simply water or air. However, as engines became more powerful, it became necessary to develop more efficient coolants. In the early 20th century, ethylene glycol was introduced as a coolant. Ethylene glycol is a synthetic organic compound that is more effective at absorbing heat than water.
Today, ethylene glycol is the most common coolant used in engines. However, other coolants, such as propylene glycol and silicone, are also available.
Etymology The word cool has an interesting etymology that traces back to the Old Englis
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