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from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. That cannot be observed.
  • n. Something that cannot be observed.

from The Century Dictionary and Cyclopedia

  • Incapable of being observed; not observable; not discoverable.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. not accessible to direct observation


Sorry, no etymologies found.



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