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1. Impossible to see; not visible: Air is invisible.
2. Not accessible to view; hidden: mountain peaks invisible in the fog.
3. Not easily noticed or detected; inconspicuous: "The poor are politically invisible" (Michael Harrington).
4. Not published in financial statements: an invisible asset.
One that is invisible.

in·vis′i·bil′i·ty, in·vis′i·ble·ness n.
in·vis′i·bly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.invisibleness - the quality of not being perceivable by the eye
inconspicuousness - the quality of being not easily seen
physical property - any property used to characterize matter and energy and their interactions
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
All kinds of data can be collected from the environment of PMS and transformed into valuable information which can be meaningful and useful, but the question is what the appropriate data collection technique is considering the amount and size, but also the invisibleness of raw data.
The invisibleness of the protagonist remains an enigma throughout, and his wanderings through the unnamed location can be construed as a search for meaning, primarily for "the secret of visibility," while the transformations of the physical landscape, impregnated with "myth," reflect the series of inner transformations he undergoes (Okri 1995, 159).
Their multiple watermarking approach increase the watermarking capacity and tamperproof performance and also increases the security, robustness and invisibleness. A new image watermarking algorithm that is robust against various attacks is presented in [38].