superclean
adjective
su·per·clean
| \ ˌsü-pər-ˈklēn
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Definition of superclean
: 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
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