freezing agent JUST WRITTEN FOR YOU
/ˈfriːzɪŋ ˈædʒənt/ · freez·ing agent
noun
- A substance that lowers the freezing point of a liquid, often used in refrigeration and cryogenics. The scientist used a freezing agent to cool the liquid nitrogen to a temperature below -200°C.
- A person or thing that causes a situation or process to become frozen or stagnant. The bureaucratic red tape was a freezing agent that hindered the progress of the project.
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Did you know? The first freezing agent, ammonia, was discovered by the English chemist Joseph Priestley in 1767, who used it to cool water to a temperature below 0°C.