extremely clean, especially free of germs: an ultraclean laboratory.

1965–70; ultra- + clean

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To ultraclean
Explore Dictionary.com
Previous Definition: ultracivilized
Next Definition: ultracommercial
Words Near: ultraclean
More from Thesaurus.com
Synonyms and Antonyms for ultraclean
More from Reference.com
Search for articles containing ultraclean
More from Dictionary.com Translator
Dictionary.com Word FAQs

Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.

Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature