Definition of ultra-clean in English:

ultra-clean

Line breaks: ultra-clean

adjective

Extremely clean: an ultra-clean home
More example sentences
  • The stations were air-conditioned and ultraclean.
  • Preparing ultra clean water is a heroic task.
  • Hard drives are assembled in the same kind of ultraclean factories used to make microchips, so flooded production lines must be thoroughly sanitized.

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