A thin, transparent plastic wrap used to cover and preserve food, originally a brand name that became a generic term.
From the Dow Chemical Company's proprietary name, likely derived from 'polyvinylidene chloride' (PVDC). Saran was introduced in 1953 as a kitchen innovation and became trademarked.
Saran Wrap is actually a great example of how brand names can completely replace the original product name—we now call all plastic food wrap 'saran wrap' even if it's made by different companies, much like how we say 'Kleenex' for any tissue.
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