superclean

adjective

su·​per·​clean ˌsü-pər-ˈklēn How to pronounce superclean (audio)
: extremely clean
a superclean laboratory
… dust ruined semiconductors that had to be kept superclean. Myron Magnet
Qualifying vehicles include superclean plug-in hybrids and possibly some hydrogen-fueled internal combustion engines. Michael Cabantuan

Word History

First Known Use

1890, in the meaning defined above

Time Traveler
The first known use of superclean was in 1890

Dictionary Entries Near superclean

Cite this Entry

“Superclean.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/superclean. Accessed 5 Dec. 2022.

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