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vacuum cup

noun
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Definition of vacuum cup

: a hollow hemisphere (as of rubber) that can adhere to a smooth surface or agitate a fluid by suction : suction cup vacuum cups for hanging suits on car windows

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Cite this Entry

“Vacuum cup.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/vacuum%20cup. Accessed 17 January 2020.

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