#freezing point

• Antifreeze — A special liquid (usually composed of ethylene glycol or propylene glycol) added to the water in cooling systems of internal combustion engines or heating installations, aiming to lower the freezing point of the mixture and prevent pipe damage; a concentrated coolant.
• Anti-icing fluid — Preventing or impeding the formation of ice; a liquid chemical substance (usually glycol or alcohol-based) sprayed on mechanical elements or added to fuel to lower the freezing point. As a noun, it designates the protective fluid utilized in preventative airport winter treatments.