noun
Tupperware
noun
1
A brand of plastic food-storage containers, often used generically for any similar container.
"She packed the leftovers into a piece of tupperware."
How to Use Tupperware
Learner’s notesIn plain EnglishA trademark that became the everyday word for reusable plastic food containers, regardless of the actual brand.
Word Forms
Tupperware plural, Tupperwares plural
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Etymology
Named after American inventor Earl Tupper (1907-1983), who created the product in 1942; the brand name later became a generic term.