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Cooler

/ˈkuː.lər/noun
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A cooler is a device or insulated container designed to lower and maintain a lower temperature, commonly used for preserving food, beverages, or other perishables. In everyday contexts, it can range from portable picnic boxes to industrial refrigeration units, while in slang, it sometimes refers to a jail cell, adding a cultural twist to its practical origins.

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The first portable cooler, similar to today's insulated coolers, was patented in 1953 by Richard C. Laramy, revolutionizing outdoor activities by keeping items cold for hours without electricity. This invention has led to over 1 billion coolers sold worldwide since, influencing everything from camping trips to emergency medical transport.

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Merriam-Webster DictionaryOxford English DictionaryEtymonline

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